Radioactive Decay (24.2)

Question 1

Whats the least penetrating form of radiation?

Answer 1

Alpha

Question 2

What is transmutation?

Answer 2

It’s the conversion of an element into another element.

Question 3

Radioactive Decay involves what?

Answer 3

Transmutation

Question 4

Protons and neutrons are referred to as?

Answer 4

nucleons.

Question 5

Why do all nucleons remain in the dense nucleus?

Answer 5

Because they have a strong nucleon force

Question 6

What does the strong nuclear force do?

Answer 6

It acts on subatomic particles that are extremely close together and overcomes the electrostatic repulsion among protons

Question 7

What happens when the atomic number increases?

Answer 7

more and more neutrons are needed to produce a strong nuclear force that is sufficient to balance the electrostatic repulsion between protons.

Question 8

What is the band of stability?

Answer 8

The area on the graph within which all stable nuclei are found

Question 9

Where are all the radioactive nuclei found?

Answer 9

outside the band

Question 10

All elements with atomic number greater than 82 are what?

Answer 10

Radioactive