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Ch 10 Quiz Review

Chemistry

1st Grade

Notation covered

Used 3+ times

Ch 10 Quiz Review
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14 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?

25 years
200 years
400 years
800 years

Tags

CCSS.HSF.LE.A.4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The graph shows the generalized rate of decay of radioactive isotopes over 5 half-lives. 
If the original mass of a radioactive isotope was 24 grams, how many grams would remain after 3 half-lives

12
24
3
6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of radiation is the strongest and most harmful?

alpha

beta

gamma

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of radiation is the weakest/least harmful?

alpha

beta

gamma

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a half life?

the amount of time required for one half of a radioactive substance to decay

about 45 years

half of your life

radioactivity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is a half-life?

the rate of decay for an alpha particle.

the time required for one half of a sample of a radioisotope to decay.

the time it takes an atom to double in size.

the age of an atom once it comes in contact with radiation.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements with atomic numbers greater than 92 (uranium) are called ______________.

transcontinental elements

transmutated elements.

transuranium elements

quark

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