Chem A Nomenclature

Element Symbol

100

Helium

He

200

Fluorine

F

300

Sodium

Na

400

Potassium

K

500

Iron

Fe

Atoms Vocabulary

100

This is the particle in an atom with a NEGATIVE charge

electron

200

This is the particle in an atom with a POSITIVE charge

proton

300

This is an electron in the LAST or OUTER shell of an atom

valence electron

400

Multiple atoms bonded together is a _____________

molecule

500

An atom with a positive or negative charge is called an ____________

ion

Formula to Name

100

NaCl

Sodium Chloride

200

CaCl₂

Calcium Dichloride

300

LiF

Lithium Fluoride

400

K₂O

Dipotassium Oxide

500

AlCl₃

Aluminum Trichloride

Name to Formula 1

100

Sodium Chloride

NaCl

200

Sodium Bromide

NaBr

300

Calcium Dichloride

CaCl₂

400

Magnesium Sulfide

MgS

500

Dialuminum Trioxide

Al₂O₃

Name to Formula 2

100

Potassium Iodide

KI

200

Barium Difluoride

BaF₂

300

Barium Oxide

BaO

400

Trirubidium Nitride

Rb₃N

500

Trilithium Phosphide

Li₃P