Chem 7_9 test.txt

A mixture composes of two or more elements atleast one of which is metal

An expression that indicates the number any type of atoms present in the smallest representative unit of substance

The number of ions of oppsite charge that suround each ion in a crystel

A notation that depicts valence electrons as dots around the atomic symbol of the element

The lowest whole number ratio of ions in an ionic compound

A negative ion formed when when a halogen atom gains an electron

The electrostatic attraction that binds oppositely charged ions togather

A compound composed of postive and negative charged ions togather

The force of attraction that holds metals togather

Atoms react by gaining or losing electrons so as to aquire the stable electron structure of a noble gas

An electron in the highest occupied energy level of an atom

A compound that produces hydrogen ions in solution

A compound that produces hydroxide ions in solution

A compound composed of two elements

The masses of the elements are always in the same proportion

The different masses of one element that combines with te same mass of the other element are in the ratio of small whole numbers

A single atom with a positive or negative charge resulting from a gain or loss of one or more valenece electrons

A tightly bond grpup of atoms that behaves as a unit and has a positive or negative charge

• 1 metal and 1 non metal
• Cross the charges
• Use ion side

• Non metals
• Use element side
• Use prefixes

• Use ion side
• Cross charges
• Add an H

CuSO4 • 5H2O

Copper(II) sulfate pentahydrate

Water

Hydrogen peroxide

Ammonia

Methane

Ozone

Hydrogen sulfide

Methanol

Ethanol

Glucose

Sucrose