Nuclear Chemistry

Question 1

Binding energy

Answer 1

The energy that holds the nucleus together, a large amount of energy

Question 2

Natural transmutation

Answer 2

Nuclei that are natural unstable and emit radioactive particles from nucleus

Question 3

At what proton number do elements start having radioactive isotopes

Answer 3

83 and above

Question 4

Mass defect

Answer 4

The fractional amount of mass can be converted into energy

Question 5

What are the four types of emissions?

Answer 5

Alpha radiation, beta, gamma, positron,

Question 6

Alpha particles

Answer 6

Both mass and charge
Low penetration power, stopped by a few inches of air or a piece of paper
Biggest mass and charge
very high ionizing power

Question 7

Beta particles

Answer 7

Charge, no mass
Moderate penetration, few mm of metal
Middle charge and mass
Moderate ionizing power

Question 8

Gamma radiation

Answer 8

Wave
Very high penetrating power
Lowest ionizing power

Question 9

Positrons have

Answer 9

Charge, is the antimatter of Beta particles

Question 10

Radioactivity

Answer 10

The spontaneous division of some elements into smaller pieces