Strong forces bind protons and neutrons together in the nucleus.

An electron is a positively charged particle found in the nucleus of an atom.

A chemical element is a pure substance that consists entirely of one kind of atom.

Ions are formed during which type of bonding?

Molecules are formed during which type of bonding?

An atom that gains electrons becomes ___ charged.

A chemical element is a pure substance that consists entirely of one type of ___.

Atoms of the same element that have different number of neutrons in their nucleus are called

A substance formed by the chemical combination of two or more elements in definite proportions is called a

How many OXYGEN atoms are in the equation H₂O?

A material composed of two or more elements or compounds that are physically mixed together but are NOT chemically combined are called

In a ___ all the components are evenly spaced out.

In a solution, the substance being dissolved is the

In a solution, the substance doing the dissolving is called the

Lemon juice has a pH of

Is lemon juice an acid or a base?

The ion is the smallest unit of most compounds.

A covalent bond forms when electrons are shared rather than transferred.

The slight attraction formed when molecules are close together is called van der Waals forces.