Chemistry Midterm Review

Front

What do elements in the same column (group) on the periodic table have in common?

Back

They have the same number of Valence Electrons.

Front

What is the name of the compound FeCl₂?

Back

Iron (II) chloride.

Front

For an atom to be neutral, what must be true about protons and electrons?

Back

The number of protons must equal the number of electrons.

Front

What is the correct formula for lithium oxide?

Back

Li₂O.

Front

How are electrons transferred in an ionic bond?

Back

A metal atom loses electrons and a nonmetal atom gains electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a covalent bond?

Back

A bond formed when two atoms share electrons.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.