Entry Task- Block #2 Nov. 7th-8th

OUESTIONS:

Name 3 properties of ionic compounds.

YOU have 5 minutes!

AGENDA: Go over Ch. 8 section 1-2 wsHW: Ionic Battleship I w.s

CH. 8 SECTION 1-2 WS

NOTES ON IONIC

COMPOUNDS

1. Locate on periodic tableEx: Sodium and

fluorine 2. Symbol and charge.

Ex: Na +1 and F-1

3. Metal in front. Balance out charges to be zero. Na

+1

Cancels out

F-1

NaF

RULES FOR WRITING A COMPOUND FORMULA

LETS PRACTICEWith the following elements, provide

their formulasChlorine and

LithiumLiCl

Sodium and Bromine

NaBr

Oxygen and Beryllium

BeO

Nitrogen and Aluminum AlN

Gallium and Phosphorus GaP

Notice that the ratio is 1:1 and they cancel out easily.

LETS PRACTICE SOME MORE…With the following elements, provide

their formulasOxygen and Lithium

Oxygen = O-2

Lithium = Li+1

Li OLi

+ 2 +

1+1

Li2

O

-2

Sodium and Nitrogen

Nitrogen= N-3

Sodium= Na+1 Na

NNa+ 3

+

1+1

Na3

N

-3

Na+1

Bromine and Beryllium

Bromine= Br-1

Beryllium= Be+2 B

eBrBr -

2

+

2 -1

BeBr2

-1

Aluminum and Sulfur

Aluminum= Al+3 Al S

Al+ 6 +3

+3

Al2S3

-2

Sulfur= S-2

S - 6-2S-2

Strontium and Phosphorous

Strontium= Sr+2 Sr P

Sr+ 6

+2+2

Sr3P2

-3

Phosphorous= P-3

P- 6

-3Sr+2

RULES FOR NAMING COMPOUNDS

Metal in front Nonmetal – change the back to –ide

CUT OFF NAME AT THE SECOND VOWEL then add -IDE

Example NaCl

Answer Sodium Chloride

EXAMPLE OF NAMING

Li2O Lithium oxide

Na3N Sodium nitride

BeBr2 Beryllium bromide

Al2O3 Aluminum oxide

Sr3P2 Strontium phosphide

IN-CLASS PRACTICE- Provide the name or formula for the following

compounds.

a. Barium oxide e. MgO

b. Calcium chloride f. Na2S

c. Aluminum oxide g. LiI

d. Cesium nitride h. SrF2

BaO

CaCl2

Al2O3

Ce3N

Magnesium oxideSodium sulfide

Lithium iodide

Strontium fluoride

IN-CLASS- IONIC BATTLESHIP I SHEET

HOMEWORK:

FINISH UP – IONIC BATTLESHIP PRACTICE I