CHEMISTRY FINAL

Front

What is Pauli's Exclusion Principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What does Hund's Rule state?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

What is the Aufbau Principle?

Back

Electrons occupy the lowest energy orbitals first before filling higher energy levels.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Convert 0.068 into scientific notation.

Back

6.8 x 10^-2

Front

What are electrons?

Back

Subatomic particles with a negative charge.

Front

What are neutrons?

Back

Subatomic particles with no charge, found in the nucleus of an atom.

Front

What are protons?

Back

Subatomic particles with a positive charge, found in the nucleus of an atom.

Front

What is the definition of a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.