mm, does anyone know this?

Mm, Does Anyone Know This?

Answers

Answer 1
I think it’s Be, Mg, Ca, Sr because they are all alkaline earth metals

Related Questions

What forces makes a fan stop spinning?

Answers

Answer:

And since there is a frictional force acting upon the rotating blades of the fan due to the air, the speed of the fan blades ceases and ultimately comes to halt. Thus here, air friction is the external force which makes the fan blades to stop after sometime, otherwise it would have never stopped rotating :P.

Explanation:

Answer: air friction

Explanation:

9. How long in minutes does it take sunlight to reach earth if the sun is 5,000,000 km from earth? (speed of light = 300,000 km/s)​

Answers

Answer:

Sunlight travels at the speed of light. Photons emitted from the surface of the Sun need to travel across the vacuum of space to reach our eyes.  

The short answer is that it takes sunlight an average of 8 minutes and 20 seconds to travel from the Sun to the Earth.

If the Sun suddenly disappeared from the Universe (not that this could actually happen, don’t panic), it would take a little more than 8 minutes before you realized it was time to put on a sweater.

Explanation:

That is what I would put

if you have something with a mass of 45g and a volume of 5mL, what is that object’s density? How do you determine its density?

Answers

Answer:

use the  Density Calculator uses the formula , or density  is equal to mass divided by volumeThe calculator can use any two of the values to calculate the third. Density is defined as mass per unit volume.

Explanation:

Density = mass/volume

How could you improve an item that you use
regularly? *

Answers

Explanation:

by adding some technique ex. to make the item easier for use, more convenient, more benefits than regular items.

An object has a mass of 20 g and a volume of 100 mL. What is the density of the object?

Answers

Answer:

The answer is

0.2 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]Density = \frac{mass}{volume} [/tex]

From the question

mass of object = 20 g

volume = 100 mL

Substitute the values into the above formula and solve

That's

[tex]Density = \frac{20}{100} \\ = \frac{2}{10} \\ = \frac{1}{5} [/tex]

We have the final answer as

0.2 g/mL

Hope this helps you

What is the chemical formula for barium and chlorine?

Answers

Answer:

Barium chloride is an inorganic compound with the formula BaCl2.

chlorine Cl-

Answer:

The chemical formula is BaCl2

What is collide? Help pls

Answers

Answer:hit with force when moving.

Explanation:

Example: The two cars collided with an ear-splitting crash. to clash; conflict: Their views on the matter collided.

Answer: colliding is when two things meet eachother at a certain point and hit

Explanation: Trust me.. (:

-migimigi

Cycling enthusiasts often prefer bicycles made with titanium frames. Titanium is resistant to corrosion and fatigue, has a significantly lower density than steel, and seems to have a natural shock-absorbing ability. Suppose a high-quality titanium frame contains 1300 g of titanium. How many moles of titanium does this frame contain? (A calculator can be used) A) 27.16 moles B) 62.23 moles C) 1.6 x 1026 moles D) 27 moles

Answers

Answer:

A) 27.16 moles

Explanation:

According to the question, Titanium element (Ti) is the major constituent of a frame used to make a bicycle.

The titanium-frame contains 1300grams of titanium. Thus, the amount of moles in the frame can be calculated using the formula:

Number of moles = mass ÷ molar mass

Molecular weight or molar mass of Titanium= 47.87g/mol

Hence;

Number of moles= 1300/47.87

No. of moles= 27.15688

No. of moles= 27.16 moles

Note that, the less precise measurement will be used. 27.16 (4s.f) is less precise than 27 (2s.f)

If D is neutral liquid, which of the following is C
heat
MgCO3
(A) + (B)
C с
MgCl2 + (D)​

Answers

Answer:

Cl2

Explanation:

Bcs in product there is chorine

according to the graph, how many mice will be born in week 5 if the trend continues?

Answers

Okay so the answer to this one is very simple 91

1) 5,730 s to ks
2) 22,000 mg to cg
3) 0.077 ks to ms
PLEASE BE CAREFUL AND PAY ATTENTION TO COMMAS AND DECIMALS!

Answers

Answer:

1) 5.73 ks

2) 2200 cg

3) 77000 ms

Explanation:

list three examples each of objects that are comonly measured by mass, by volume, and by length​

Answers

Answer:

Explanation:

Milk, flour, gold

Observation: I am in the lab timing how long it takes to boil 100 mL of water in a beaker over a Bunsen burner. I observe it takes 5:15 mins to boil the water. I want to get the most accurate answer possible so I repeat the test again making sure everything is the same. This time it takes 7:05 mins to boil the water. I think this is unusual so I repeat the experiment a third time and it takes 5:20 mins. What could we infer about the differences in the times observed?

Answers

Answer:

The likely causes inferred about the differences in times observed are;

1) Slight increase of the vapor pressure of the air immediately above the water surface due to the presence of a lid

2) Variation of heat input due to wind draft that alters the focus of the flame

3) The introduction of impurities into the water from the water source or through the sourcing mediums or containers or during handling of the water

Explanation:

The factors that affect the boiling point of water includes;

1) The amount of heat supplied, to the water

2) Vapor pressure above the water surface

3) Presence of impurities in the water

Therefore, the most likely causes for the difference in the times observed for the water to boil in the order of increasing probability of cause and effect are therefore;

1) Slight increase of the vapor pressure of the air immediately above the water surface due to the presence of a lid

2) Variation of heat input due to wind draft that alters the focus of the flame

3) The introduction of impurities into the water from the water source or through the sourcing mediums or containers or during handling of the water.

We can infer that the observed time differences may be the result of impurities present in the water.

We can achieve this result because:

The water boils when it reaches a temperature of 100ºC.In this case, if the student shown in the question above used the same amount of water, in the same beaker, and the same heating intensity, all experiments should have taken the same amount of time to boil the water.

However, the boiling temperature of water (100°C) can be changed if the water contains any kind of impurity. In this case, we can infer that the second experiment of the student contained impure water, which made the boiling temperature higher.

More information:

https://brainly.com/question/16122572?referrer=searchResults

Nitrogen has one more valence electron than carbon has. What can you infer about nitrogen's location on the periodic table. 5 points Nitrogen is in the first group. Nitrogen and carbon are in different groups. Nitrogen is directly above carbon but within the same group. Nitrogen is directly below carbon but within the same group.

Answers

Answer:

nitrogen and carbon are in different groups

Explanation:

the group number determines the number of valence electrons the element has. since nitrogen and carbon have different numbers, they cannot be in the same group.


Using the above scenario, which of these would have the largest amount of available energy?
A) grass
B) grasshopper
C) snake
D) hawk

Answers

Answer:

Grass

Explanation:

The higher up you go in a food chain, the less energy available and the more you have to use to acquire energy.

Kendall has an empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble

Answers

Answer:

She can measure the volume and mass of the marble, the volume and mass of the water, and the mass of the graduated cylinder.

Explanation:

Graduated cylinders are used to measure volume, hence she can be able to measure the volume of the marble from the volume of water displaced. The measuring cylinder is also used to measure the volume of the water. The balance is used to measure the mass of the water and mass of the marble.

A social movement dedicated to protecting the natural world and people from undesirable changes caused by human activity. *

A.Environmental Science
B.Environmentalism

Answers

I think its b accauly no im positive its b

B environmentalism.

What is the Net Force?
2N >
4N -
SN

Answers

the net force is SN haha

If you have two substances with the same volume, but different masses,
which one is more dense?

Answers

Answer:the one with more mass

Explanation: the more mass the more dense

what will be the colour of Naoh solution when added to phenolphthalein​

Answers

Explanation:

determine the level of your emotional maturity.

CAN YOU KEEP YOUR CALMNESS IN STRESSFUL SITUATION?

TRUE OR FALSE
Friction is a force that acts in the same direction as the that of the object in motion

Answers

Answer:

False.

Explanation:

Friction is a resisting force that acts on a body to prevent its motion. Friction force acts opposite to the direction of motion.

False. I hope this helped you!

1.207 x 107
Scientific notation

Answers

Answer:

feauurrjfjf iiii ammm soo confused

Explanation:

which type of electronic radiation has a lower frequency than infrared radiation? A gamma rays B microwave C visible light D x-ray ​

Answers

Answer:

A, gamma rays

Explanation:

Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation. In order from highest to lowest energy, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves.

find the mass of 5ML volume of water if the density of the water is 1g/mL​

Answers

Answer:

If 5 mL of water is displaced when 10 g of solid is placed in the water, then it is a relatively good assumption that the density of the solid is 2 g/mL

.

Explanation:

Which of the following best describes Galileo’s conclusion about how weight affects gravity? A No matter the weight of an object, gravity remains constant. B Heavier objects will increase the value of gravity. C Objects that are the same weight as a cannonball have zero gravity. D With any two similar sized objects, one will have double the gravity of the other.

Answers

Answer: a

Explanation:

according to the passage: “galileo concluded that gravity is a constant based on the experiment result: weight doesn’t change the speed at which object fall

Galileo’s conclusion about how weight affects gravity that heavier objects will increase the value of gravity. option B is correct.

What is gravity?

Gravity is a force of attraction that holds the planets in orbit around the sun and the moon in orbit around Earth. Gravity not only pulls on mass of any object but also on light from any coming source.

And according to the Newton sir law also if the mass of any object is more or double then the gravity will also become double from the expected gravity.

Therefore, Galileo’s conclusion about how weight affects gravity that heavier objects will increase the value of gravity. option B is correct.

Learn more about gravity, here:

https://brainly.com/question/4014727

#SPJ2

During a chemical reaction...



A) atoms are destroyed, but new atoms are created to keep the mass the same.

B) atoms are rearranged, and new matter is formed.

C) atoms are destroyed, and this explains how the universe is always changing.

D) atoms are rearranged, but no new matter is formed.

Answers

Answer:

the answer is going to be D

Explanation:

the make new product but do not change

Atoms can be neutral with different numbers of protons and electrons True or False

Answers

Answer:

False

Explanation:

ok?

1. What is the mitochondra in a cell? What is its primary funtion?

Answers

The mitochondria is full of energy. It’s primary function is to generate large quantities of ATP.

Answer:

Its the powerhouse of the cell.

Explanation:

It breaks down food into energy.

I hope this helps. :3

Submit your data table and answer these questions in the essay box below.
1. Which ruler has the greatest precision?
2. Compare your estimates with the actual measurements. How close were your estimates?

Answers

I'm not sure, i had this same question, and it doesn't make any logical sense because

A centimeter is a centimeter but in the video apparently not...  for example in the video it showed the notebook as 40cm for one and the next one shows it as 14.4 cm it stayed as cm both times the size of the ruler should not change that one ruler was by 10cm the other was by 1 cm and it showed 2 completely different numbers

so therefore it doesn't make any logical sense

here was my measurements from the little video it had

try getting ahold of the teacher or whoever gave you the question its all you really can do...

hope this helped even tho it probably didn't

A balloon (approximate as a sphere) is inflated such that its
radius is 7.00 cm. What is the volume of air inside the balloon
in ML? (Volume of a sphere = Truse 3.14 for TT)
mL

Answers

Answer: 1436 mL

Explanation: 4/3 • 3.14 • 7^3 <— calculate

Volume is the measurement of the shapes that are given by the dimensions like the radius. A balloon in the shape of a sphere with a radius of 7.00 cm is 1436.76 cm³.

What is the volume of the sphere?

The volume is the quantitative measure of the object or substance with respect to its radius or diameter which is given in milliliters, liters, or cubic centimeters.

The volume has no definitive shape but acquires that of the container like the spherical shape of the balloon.

The formula to calculate the volume of a sphere is,

[tex]\rm V = \dfrac{4}{3} \pi r ^{3}[/tex]

Given,

Radius (r) of the balloon = 7.00 cm

π = 3.14

Substituting values of r in the above formula as:

[tex]\begin{aligned} \rm V &= \dfrac{4}{3} \pi \rm r ^{3}\\\\\rm V &= \dfrac{4}{3} (3.14) (7^{3})\\\\\rm V &= 1436.76 \rm \;cm^{3}\end{aligned}[/tex]

Therefore, a balloon with a 7.0 cm radius has a volume of 1436.76 cm³.

Learn more about the volume here:

https://brainly.com/question/16694275

#SPJ2

Other Questions
NEED HELPWrite a short description, using complete sentences in Spanish, telling a family member about aclass you have. Use the vocabulary from this lesson and the following instructions as a guide.You may copy and paste the accented and special characters from this listi needed. , . . 11. .6. U. , Na*Note: The sample sentences in parentheses are just a guide to help you form your sentences. Youmust come up with your own original answers keeping academic integrity intactIn one sentence, state a class you have in the morning Remember to use the yo form of theverb tener. leg. I have math class in the morning)State at what time the class starts. Remember to use the correct form of the verb empezar andthat the numbers used to tell the time should be in words les. The class starts at ten am)State at what time the class ends. Remember to use the correct form of the verb terminar andthat the numbers used to tell the time should be in words. leg. The class ends at eleven a.m)State whether you are early, on time, or late for the class. leg. lam on time) Rewrite 4/6:1/3 as a unit rate. A: 2/1 B: 12/6 C: 2/9 D: 12/1 Never stop challenging you to do better. What is the grammar error in this sentence? Why do fossils support the theory of evolution? Check all that apply.Fossils show that organisms descend from a common ancestor.Fossils show that traits change slowly over time. Fossils show that organisms inherit acquired characteristics.Fossils show that evolution always occurs very rapidly.Fossils show extinct species. political impact of vietnam war on us Which relationship has a zero slope? A two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3. The second column, y, has the entries, 2, 2, 2, 2. A two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3. The second column, y, has the entries, 3, 1, negative 1, negative 3. A coordinate plane with a straight line starting at (negative 5, negative 5) and passing through the origin, and ending at (5, 5) help find equivalent equation please A car travels 90 meters due North in 15 seconds. The car turns around and travels 40 meters due south in 5 seconds. What is the magnitude of the average velocity of the car during this 20-second interval? Is fructose a mono,di, or polysaccharide equivalent fraction for . Simplify the radical 18a9 Meiosis allows a plant to produce offspring plant which characteristics all of the following sentences are grammaticlly correct except Which of these is an example of a biotic factor that could limit a community in an ecosystem?- A drought occurs for several months.-New predators move into the ecosystem.-A hurricane passes through an ecosystem.-Living space is lost due to human activities. Question 7 (1 point)Las muchachas en Latinoamrica llevana la escuela; no el pantaln.Blank 1:Question 8 (1 point) Why can a container never be half full of air PLEASE HELP I WILL HIVE YOU BRAINLYEST Fill in the blank with the correct present tense form of the verb in parenthesis.Yo siempre _____ (hacer) la tarea a tiempo.A. hacoB. haceroC. haceD. hago Exercises which include sprinting and weightlifting utilize which type of fiber? Which civilization linked Venus with motherhood and childbirth, and realized it was one object rather than two?A. AztecsB. MayansC. BabyloniansD. Ojibwe One that cannot be copied by the competition?1- evalution2- competitive advantage3- experience curve4- divest