The Periodic Table
Ionic Compounds
Covalent Compounds
Acids and Bases
Chemical Formulas to Memorize
100

States the number of protons in an atom

Atomic number

100

What an ionic bond is formed between

A metal and a nonmetal.

100

What a covalent bond forms between

Two nonmetals

100

The composition of an acid

Hydrogen and a polyatomic

100

"Gases"

O2, F2, etc.

200

States the number of protons and neutrons in an atom combined

Atomic mass
200

The action taking place in an ionic bond

Transfer of electrons

200

The action taking place in a covalent bond

Sharing of electrons

200

When naming acids, the ending that is substituted for an "ate" polyatomic ending...

And a polyatomic ending in "ite"...

"ic"

"ous'

200

Ozone

O3

300

Element that cannot exist stably on its own

Forms a diatomic molecule

300

The addition needed in the chemical name of an ionic bond between a transition metal and a nonmetal

A roman numeral

300

The addition needed in the chemical name of a covalent compound

Prefixes

300

Five properties of acids

Release H+ ions

Sour

Corrosive

pH 0 to 7.

Conduct electricity

300

Ammonia

NH3

400

An ion that, when stable, has identical structure to a noble gas...

Ex. Chlorine and Argon.

Isoelectric

400

Group of atoms that stay together and act as a metal of (most) a nonmetal)

Polyatomic

400

Five properties of bases

Release OH- ions

Bitter

Corrosive

pH 7 to 14

Conduct electricity

400

Methane

CH4

500

Property that increases as you go down to the left corner of the table

Metals reactivity

Nonmetals increase reactivity as you go up to the right corner.

500

Four properties of ionic compounds

  • Usually forms crystalline (hard, brittle) solids.

  • Soluble in water.

  • Electrolyte (when dissolved in water, it conducts electricity)

  • High melting and boiling points

500

The colour phenolphthalein turns in an acid

Stays clear. Becomes pink in a base.

500

Hydrogen peroxide

H2O2

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