Chem Unit 2 Review

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in an atom.

Front

What is the atomic number of fluorine?

Back

9

Front

How many protons does an atom of titanium have?

Back

22

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no electric charge.

Front

What is a proton?

Back

A proton is a positively charged subatomic particle found in the nucleus of an atom.

Front

What is the significance of radioactive isotopes?

Back

Radioactive isotopes undergo nuclear decay to become stable.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the total number of protons and neutrons, while atomic number is the number of protons.

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What does Z represent in nuclear chemistry?

Back

Z represents the atomic number, which is the number of protons in an atom.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).