Chemical Names and Formulas - Lesson 1 - Review of the basics

(a)   are atoms or groups of atoms that have a positive or negative charge.

A (a)   is any atom or group of atoms with a positive charge.

When calcium loses 2 electrons it will have a (a)   2 charge.

An (a)   is any atom or group of atoms with a negative charge.

S^2- is called the (a)   ion.

CO₃^2- is called the (a)   ion.

A (a)   ion is made up of a single atom.

A (a)   ion is a covalently bonded group of atoms with an overall positive or negative charge.

Ionic compounds are always in the (a)   (solid/liquid/gas) state at room temperature.

An (a)   formula indicates the smallest whole number ratio of positive to negative ions within an ionic compound.