Nuclear Chemistry (Radioactivity/Half-Life)

Front

_______ is the splitting of atomic nuclei.

Back

Fission

Front

What is the half-life of iodine-131?

Back

8 days

Front

Solve this equation for beta decay: 6^14C = ___ + -1^0e

Back

7^14N

Front

What element is represented by Cd-115?

Back

Cadmium (Cd)

Front

Is an atom with 100 protons and 160 neutrons stable?

Back

No

Front

_______ is the process of combining two light atomic nuclei to form a heavier nucleus.

Back

Fusion

Front

What is the half-life of a radioactive substance?

Back

The time required for half of the radioactive atoms in a sample to decay.

Front

What is beta decay?

Back

A type of radioactive decay in which an electron is emitted from an atomic nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the mass number?

Back

It is the total number of protons and neutrons in an atomic nucleus.