IONS

Anion vs. Cation

100

metals become these types of ions

What is a cation

200

Sulfur with a 2- charge

What is an anion

300

an atom that has gained electrons

What is an anion

400

this ion has more protons than electrons

What is a cation

500

the only polyatomic cation

ammonium

Ion Symbol

100

radium

What is Ra²⁺

200

aluminum

What is Al³⁺

300

chromium (III)

What is Cr⁺³

400

Selenide

What is Se^-2

500

cobalt (II)

What is Co⁺²

Ion Name

100

Rb¹⁺

What is rubidium ion

200

Sr²⁺

what is strontium ion

300

N^3-

What is nitride

400

Cl^1-

What is chloride

500

Co²⁺

What is cobalt (II) ion

Whats the charge?

100

bromide

What is 1-

200

aluminum

What is 3+

300

Sulfur

What is 2-

400

zirconium (II)

What is 2+

500

lead(IV) ion

+4

electrons

100

Electrons in Ca⁺²

18

200

electrons in O^-2

10

300

electrons in Pb⁺⁴

78

400

electrons in I^-1

54

500

Why does an atom gain or lose electrons when becoming an ion?

To have the same number of electrons as a noble gas.

Give Name or Formula

100

ClO₂^-1

chlorite

200

acetate

C₂H₃O₂^-1

300

Cr₂O₇^-2

dichromate

400

phosphate

PO₄^-3

500

ammonium

     NH₄⁺¹