Chemistry Exam #2 Review

Front

What does an orbital represent?

Back

The probability of the electron location.

Front

How many protons, neutrons, and electrons are in Oxygen?

Back

Protons = 8; Neutrons = 8; Electrons = 8.

Front

What is a particle with no charge?

Back

Neutron.

Front

What is the average atomic mass of an element with isotopes?

Back

It is the weighted average of the masses of the isotopes.

Front

The Atomic number is known as the _______

Back

Number of Protons in an atom.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.