Chemistry High School

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Answers

Answer 1

Answer:

9) 126.86 amu

10) 197.26 amu

11) 55.83531 amu

or 55.8 amu (to 3 s.f.)

13) 14.07 amu

Explanation:

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Related Questions

Helen recorded the following data about the half-life of a radioisotope. Radioactive Decay of Radioisotope A Grams of Radioactive Material Remaining Time (in billions of years) 200 0 100 1 50 2 25 3 12.5 4 6.25 5 Which of the following types of graphs could Helen use to best organize her data? A. bar graph B. line graph C. histogram D. circle graph

Answers

Answer:

Line graph

Explanation:

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Radioisotopes are substances that are radioactive and have atoms with an unstable nucleus. The data about the radioisotope can be best organized in a line graph. Thus, option B is correct.

What is a graph?

A graph is a tool used to represent the data that contains the numerical data and includes the vertices and points to show the numbers and information in a statistical way. It is used to represent the variables of the tables in an easy and understandable manner.

Graphs can be bars, points, lines, columns, bubbles, areas, pie charts, etc. The line graphs use lines to connect the individual variables and are used to track the changes in radioactive material over a time period. It can easily represent the half-life and the remaining time of the radioactive decay.

Therefore, option B. a line graph will be best to represent the information.

Learn more about graphs, here:

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