Potassium forms an ion with a +1 charge.click for answer

Ions are particles with an electric charge. click for answer.

All cations have the same positive charge. click for answer.

Table salt, NaCl, is an example of an ionic substance. click for answer.

Atoms like magnesium in Group 2A usually form an ion with a minus 2 charge. click for answer.

Calcium usually forms ions with a +2 charge. click for answer.

Al³⁺ and Cl^1- form a substance with the formula Al₃Cl click for answer.

Cations are formed when a particle gains electrons. click for answer.

Calcium atoms are part of strong bones and teeth. click for answer.

An acid is a substance like methane CH₄. click for answer.

Metals usually react to form positive ions. click for answer.

The octet rule helps predict the number of electrons an atom will gain or lose. click for answer.

A water solution of NaOH contains the Na⁺ , O^2- and H⁺ ions. click for answer.

The metals typically form ions with a positive charge. click for answer.

Chlorine has seven valence electrons and forms a Cl^1- ion click for answer.

Federal law requires food to be chemical free. click for answer.

Bicarbonate ion, HCO₃^1-, is found in the extracellular fluids in the body. click for answer.

Hydroxide ions are OH^1- ions. click for answer.

All atoms in the pure element have an apparent charge or oxidation number of zero. click for answer.

Ionic substances are usually soft and low melting. click for answer.