Unit 4

Front

Electron Shell

Back

The path or obit electrons follow around the nucleus of an atom

Front

Chemical Bond

Back

The forces that hold atoms together, these may be ionic, covalent, or metallic

Front

Ion

Back

A charged atom or group of atoms formed by the addition or removal of one or more electrons (typically positive or negative)

Front

Ionic Bond

Back

A chemical bond in which one atom gives up electrons (cation) to another atom that gains electrons (anion)

(a metal and a nonmetal bond)

Front

Covalent Bond

Back

A chemical link between two atoms that share electrons (nonmetal and a nonmetal that bond)

Front

Chemical Reaction

Back

A process that changes substances into new substances

Front

Chemical Equation

Back

Notation or shorthand representation of reactions between two or more substances

Front

Reactant

Back

The substances before a chemical reaction occurs; in a chemical reaction the arrow usually points away from the reactant(s)

Front

Product

Back

The substances that are formed during a chemical reaction; in a chemical reaction the arrows point toward the product