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Flashcards in Formulae And Equations Deck (20)
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1

Simple ion charges

G1, 1+
G2, 2+
G3, 3+
G5, 3-
G6, 2-
G7, 1-
T, many

2

Binary compounds

Contains 2 elements only
(Element 1)(Element 2) ide
Metal ions always come first

3

Ammonium

NH+

4

Hydroxide

OH-

5

Nitrate

NO3-

6

Nitrite

NO2-

7

Hydrogen carbonate

HCO3-

8

Manganate (7) (permanganate)

MnO4-

9

Carbonate

CO3 2-

10

Sulfate

SO4 2-

11

Sulfite

SO3 2-

12

Dichromate (6)

CrO7 2-

13

Phosphate

PO4 3-

14

Writing formulae from ions

Overall charge is zero, ionic charges must balance

15

Writing equations

Take care with diatomic molecules and P4
No ions exist as molecules
Ionic formulas worked out from ionic charges

16

(S)

Solid

17

(L)

Liquid

18

(Aq)

Aqueous

19

(G)

Gas

20

Balancing equations

Only change balancing numbers
Do not change the formula
Only balanced when there are the same number of each element on each side of the equation
Brackets