Nuclear Chemistry 1

Question 1

An atomic bomb is an example of ________, whereas the sun is an example of ________.

Accepted Answer

fission, fusion

Question 2

Which scientist discovered alpha, beta, & gamma radiation in 1899?

Accepted Answer

Ernest Rutherford

Question 3

Alpha & beta radiation are __________, whereas gamma radiation is a ___________.

Accepted Answer

particles, ray

Question 4

Which scientist discovered natural radioactivity in 1896?

Accepted Answer

Henri Becquerel

Question 5

Isotopes are atoms of the same element that differ in their number of ________.

Accepted Answer

neutrons

Question 6

Which type of radiation gives off particles with similar size & charge to that of an electron?

Accepted Answer

beta

Question 7

The sun is a giant ball of _________.

Accepted Answer

gas

Question 8

The SPLITTING of a heavy nucleus into 2 lighter nuclei is called ____________.

Accepted Answer

fission

Question 9

Which scientist died as a result of radiation exposure related to his/her research?

Accepted Answer

Marie Curie

Question 10

The COMBINING of 2 lighter nuclei to form a heavier nucleus is called ___________.

Accepted Answer

fusion

Question 11

A nucleus is composed of which subatomic particle(s)?

Accepted Answer

protons + neutrons

Question 12

Which radioactive element is NOT naturally-occurring?

Accepted Answer

Plutonium (Pu)

Question 13

True or False: Both fission & fusion give off energy, but fusion gives off more energy.

Accepted Answer

True

Question 14

Select the INCORRECT statement.

Accepted Answer

Nuclear energy is NOT environmentally clean.

Questions 14