Unit 3 Level 1 Review

Last updated 5 months ago

8 questions

Required

Last updated 5 months ago

8 questions

Required

Question 1

In a sample with a half-life of 10 years, what percentage remains after 20 years?

Required

Question 2

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Question 5

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Question 6

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Question 7

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Question 8

Question 1

Required

Question 2

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Question 3

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Question 4

Question 5

Question 6

alpha

beta

gamma

Question 7

alpha

beta

gamma

Question 8

an electron

a neutron

a protons

a Helium nucleus

Question 3

50%

25%

12.5%

6.25%

Question 4

0 half-lives

1 half-life

3 half-lives

6 half-lives

The most penetrating energy is

alpha

beta

gamma

Which of the following is blocked by paper?

alpha

beta

gamma

An alpha particle is also known as

an electron

a neutron

a protons

a Helium nucleus

How much material will remain after 3 half lives?

50%

25%

12.5%

6.25%

At what point is the amount of parent atoms the same amount as the daughter atoms?

0 half-lives

1 half-life

3 half-lives

6 half-lives