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

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.