Chemistry Semester 1 Exam Practice

Front

Beryllium will ____ valence electrons when forming an ionic bond.

Back

lose 2

Front

In what part of an atom can protons be found?

Back

Inside the atomic nucleus.

Front

What formula results when Ca⁺² and Br^-1 ions bond?

Back

CaBr₂

Front

Ionization energy is the...

Back

energy needed to remove the outermost electron.

Front

This could be the dot diagram of...

Back

O

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is an ionic bond?

Back

A bond formed by the transfer of electrons from one atom to another.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight valence electrons.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a charge due to loss or gain of electrons.