Chemistry Middle School

When electrons are filling energy levels, the lowest energy sublevels are
occupied first. This is
A. None of these
B. The Aufbau principle
C. Hund's rule
D. Conservation of energy
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Answers

Answer 1
D. Conservation of energy

Related Questions

Which statement describes a periodic trend of first ionization energy?
O A. It tends to decrease from left to right across a period.
B. It remains the same within a period.
O C. It tends to increase from top to bottom of a group.
D. It tends to decrease from top to bottom of a group.

Answers

Answer:

D

Explanation:

when ionic radius gets bigger, the valence electron is repelled further away from the nucleus due to higher number of principal quantum shells. it experiences less electrostatic forces of attraction with the nucleus and requires less energy to remove.

At a party, you see someone on the floor with grayish skin, having

trouble breathing. This could be a sign of:

AN ALCOHOL OVERDOSE

AN OPIOID OR DEPRESSANT OVERDOSE

A STIMULANT OVERDOSE

ALL OF THE ABOVE

Answers

All of above. Overdoses have side effects like troubles breathing and other

A person having trouble breathing could be a sign of

d. All of the above(alcohol overdose, depressant overdose, or stimulant overdose)

Causes of trouble breathing:

Most instances of windedness are because of heart or lung conditions. These organs are engaged with shipping oxygen to your tissues and removing carbon dioxide, and issues with both of these cycles influence your relaxation.

At a party, if a person feels trouble breathing then it can be due to an alcohol overdose, depressant overdose, or stimulant overdose.

Thus, option D is correct.

Find more information about Breathing here:

brainly.com/question/766725

Where are you likely to find Safety Data Sheets at the client site? (choose the
best 2 options)
On the computer as an electronic file
In a work area where the chemicals are stored or used
In the manager's office
In the lobby area

Answers

In the work area where they whip up the crack

In 450 BCE, Greek philosopher Democritus first thought of the existence
of tiny particles that compose everything around us. He named them
'atomos', meaning
A. Invisible
B. Particle
C. Indivisible
D. None of these
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Answers

Answer:

A. Invisible

Explanation:

Answer: Indivisible

Explanation: There was a brilliant philosopher named Democritus, and he proposed the Greek word atomos, which means uncuttable.

Synonyms for uncuttable are as follows:

Joined, inseparable, Indivisible, unbreakable, irreducible, impenetrable, unalterable, indissoluble, unified, permanent, immutable and unchangeable.

Why other answers are wrong:

I simply believe the other user may have had a minor typo which caused such confusion. Who knew one letter could effect an answer that much XD

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