Names/Nomenclature
Polyatomic Ions
Elements by Symbol
Element by Atomic Number
Know it?
100

CCl4

Carbon TetraChloride

100

PO4 or PO43-

Phosphate

100

Ba

Barium

100

6

Carbon

100

The electrons in the outer shell are called 

valence electrons

200

ZnO

Zinc Oxide

200

CH3COO-

Acetate

200

Po

Polonium

200

8

Oxygen

200

positively charged ions

cations

300

NaCl

Sodium Chloride

300

NO3 or NO3-

Nitrate

300

Cl

Chlorine

300

20

Calcium

300

negatively charged ions are called

anions

400

MgN

Magnesium Nitride

400

NH

Ammonium

400

Sb

Antimony

400

98

Californium

400

In this type of bond, electrons are shared 

covalent bond

500

Ag(NO4)

Silver Nitrate

500

HCO3

Hydrogen Carbonate

500

Ti

Titanium

500

11

Sodium

500

this element is also used to treat bipolar disorder and is found in batteries

Lithium

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