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Radioactivity

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

A radiation source emitting a highly permeating energy could be producing either an X-ray or a(n) _

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

2.

Which radiation produces particles with the highest mass?

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

3.

Which type of radiation has particles partially made of neutrons?

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

4.

Which radiation would be repelled by a positive charge?

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

5.

Marie Curie used a magnet and a charge (both positive and negative) and failed to affect the direction of which type of radiation?

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

6.

Alpha radiation or waves were found to be streams of charged particles that were identical in mass and charge to atomic nuclei of which element?

a)

lithium (Li)

b)

uranium (U)

c)

helium (He)

d)

hydrogen (H)

7.

This type of radiation results from the decay of an atomic neutron to a proton and the emission of a very light particle with a negative charge.

a)

alpha (α) ray

b)

beta (β) ray

c)

gamma (γ) ray

8.

Alpha decay of radium-226, the most abundant isotope of radium.

a)
b)
c)
d)
9.

Radioactive decay of carbon-14, which is used in radiocarbon dating of previously living material.

a)
b)
c)
10.

Alpha decay of the artificially produced radioisotope that is used in smoke detectors.

a)
b)
c)
d)
11.

Beta-decay of iodine-131, which is used to treat thyroid cancer.

a)
b)
c)
d)
12.

Uranium-233 undergoes one alpha decay.

a)
b)
c)
13.

Copper-66 undergoes two beta decays.

a)
b)
c)
d)
14.

The half-life of hydrogen-3 is 12.3 years. If I gave you a 2.00 gram sample of pure hydrogen-3 today, how much would you have in 24.6 years?

a)

2.00 g

b)

1.00 g

c)

0.50 g

d)

0.25 g

15.

The process of nuclear fusion results in the production of

a)

one new atom with a smaller mass than the mass of the original two atoms.

b)

one new atom with a larger mass than the mass of the original two atoms.

c)

I am not a nuclear scientist, stop asking me these questions.

d)

Can I phone a friend?