1.Lewis Dot structure for francium bonded to chlorine:

2. Ionic bonds most commonly form between???

3. Where would you find elements that form cations on the periodic table?

Day 4 2-28

How do we name and represent different substances?

Day 4 2-28

Chemical bonds that result from the electrical attraction between large numbers of cations and anions

Cation – ?

Anion – ?

Ionic bonds – REVIEW

Ionic bonds most commonly form between …?

REVIEW

Ionic bonds are made up of charged pieces (ions) … Ions can be made up of single atoms or groups of atoms bonded together (polyatomic ions)

Binary ionic compound – ionic compound consisting of only 2 elements (monatomic ions)

Naming:

Name the cation and add an ide ending to the anion

Examples:

sodium and chlorine form…

sodium chloride

magnesium and oxygen form…

magnesium oxide

What’s a binary ionic compound?

Binary ionic compound – ionic compound consisting of only 2 elements (monatomic ions)

Bromine bonds with sodium

Cesium bonds with oxygen

Silver bonds with fluorine

Sodium bromide

Cesium oxide

Silver fluoride

Read section 8.1 (pages 222-225) AND answer #s 1-6 on page 225 –due at end of class

Day 4 2-28

Read section 9.1 (pages 264-269) AND answer #s 1-8 on page 269.

Problem… names do not directly indicate ratio of ions…

Answer… empirical formula

Li2O NaCl MgF2

Determining formulas – Crisscross method

Determining formulas – Crisscross method

1. determine charges

2. Take away the +/- and crisscross them to determine subscripts

Determine the empirical formula for an ionic compound containing…

potassium and fluorine

calcium and fluorine

cesium and sulfur

aluminum and oxygen

PERIOD 3 did

this slide

Throwing in the transition metals:

Use roman numerals if more than one charge is possible

Roman numeral = charge, if none use sheet, then same as binary ionic compounds

NAMING:

FORMULAS:

The weird guys…

Throwing in the transition metals:

FeO

Au2S

CuF2

PbS

SbF3

NAMING:Work backwards - the overall charge in a compound must be 0

PERIOD 6 did

this slide

Throwing in the transition metals:

Lead II oxide

Silver bromide

Ferric Chloride

Formulas:

calcium fluoride

cobalt III oxide

cuprous chloride

Formulas:

Rb2S

NiO

CuF

NAMING:

Anion

Electrostatic force

Electronegativity

Nonpolar covalent bond

Stable

Penn State

Binary ionic compound

Chemical bond

Cation

Octet rule

Valence electrons

CaF2 (you say the name)

Homework:

Handout

Formula Compound Name Test Result

H2O

H2O

CuSO4

HCl

C3H7OH

HC2H3O2

C12H22O11

NaCl

Ni(NO3)2

KOH

PERIODS 1 &

5 explain

postlab

Throwing in the transition metals:

FeO

Au2S

CuF2

PbS

SbF3

NAMING:Work backwards - the overall charge in a compound must be 0

Throwing in the transition metals:

Lead II oxide

Silver bromide

Ferric Chloride

Formulas: