Lab: Half-Life

Question 1

Why are pennies good for simulating radioactive atoms? Check all that apply.

Revolt · Accepted Answer

Pennies have two sides—one to represent radioactive form and another to represent nonradioactive form.; You can easily see the two different forms.; You can create a large sample of pennies.; Pennies are not actually hazardous.; The chance of an atom decaying during a half-life cycle is 50%, the same as flipping a coin and getting tails.

Question 2

number of half-life cycles (time)

Revolt · Accepted Answer

V

Question 3

number of protons in Lincolnium and Memorium

Revolt · Accepted Answer

C

Question 4

number (or fraction) of Lincolnium atoms

Revolt · Accepted Answer

V

Question 5

In this lab procedure, the variable is the number of half-life cycles (time) and

Revolt · Accepted Answer

independent

Question 6

the variable is the number (or fraction) of (radioactive) Lincolnium nuclei remaining at that time.

Revolt · Accepted Answer

dependent

Lab: Half-Life Answers

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