VCP Chem Unit 2 Flashcard Review

Front

What is the atomic structure of an atom?

Back

An atom consists of a nucleus containing protons and neutrons, surrounded by electrons in orbitals.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What determines the atomic number of an element?

Back

The atomic number is determined by the number of protons in the nucleus of an atom.

Front

What happens to an atom when it gains electrons?

Back

The atom becomes negatively charged.

Front

What happens to an atom when it loses electrons?

Back

The atom becomes positively charged.

Front

What is the maximum number of electrons that can occupy the first energy level?

Back

The first energy level can hold a maximum of 2 electrons.

Front

What is the maximum number of electrons that can occupy the second energy level?

Back

The second energy level can hold a maximum of 8 electrons.

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table, indicating the number of energy levels in the atoms.