1- Which type of radiation is the most penetrating? gamma alpha beta all have ab

Question

1- Which type of radiation is the most penetrating?

gamma

alpha

beta

all have about the same penetrating power

2-Which type of radiation can penetrate a thin piece of lead?

gamma

alpha

beta

all the above

3-Which is true about fusion?

very high temperatures are required

occurs in a plasma of charged particles

produces fewer radioactive byproducts

all statements are true

4-Which is generally not associated with nuclear reactions?

outer electrons

atomic number

atomic mass

the nucleus

5-Which atom can undergo fission by thermal neutrons?

U-235

U-238

I-131

H-3

6-The nuclear reaction that changes one element into another element is called a

chemical reaction

half-life

transmutation

decay series

7-In the symbol 238U, the 238 is

the mass number

the atomic number

the number of neutrons in the atom

the number of protons in the atom

gamma

alpha

beta

all have about the same penetrating power

Explanation / Answer

1) A) gamma rays

2) A) gamma rays

3) D) all statements are true

4) A) outer electrons

5) A) U-235

6) C) transmutation

7) A) mass number

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