Here we go, 6 step cross-over time.Not a dance :) It's how we write ionic formulas1. Begin by identifying the metal and nonmetal.2. Write symbols3. Write charges (for transition metals, the charge of the metal is the number in the () after the metal name.4. Cross-over the charges from top to bottom5. Remove the charges6. Simplify the numbers and remove 1's

Bell ringer- pick up your quiz from yesterday. Get out paper and pencil. Copy these notes.

For the following compounds, give the formulas

sodium phosphide

aluminum sulfide

beryllium chloride

calcium oxide

1. Begin by identifying the metal and nonmetal.2. Write symbols3. Write charges (for transition metals, the charge of the metal is the number in the () after the metal name.4. Cross-over the charges from top to bottom5. Remove the charges6. Simplify the numbers and remove 1's

potassium sulfide

Calcium fluoride

rubidium arsenide

strontium selenide

1. Begin by identifying the metal and nonmetal.2. Write symbols3. Write charges (for transition metals, the charge of the metal is the number in the () after the metal name.4. Cross-over the charges from top to bottom5. Remove the charges6. Simplify the numbers and remove 1's

Barium chloride

Cesium carbide

For the following compounds, give the formulas

magnesium nitrate

calcium phosphate

ammonium sulfate

silver cyanide

1. Begin by identifying the metal and nonmetal.2. Write symbols3. Write charges (for transition metals, the charge of the metal is the number in the () after the metal name.4. Cross-over the charges from top to bottom5. Remove the charges6. Simplify the numbers and remove 1's

Bell ringer- get out homework and check against screen

22.) Na3P23.) Mg(NO3)2

25.) Ca3(PO4)2

29.) BeCl2

35.) CaO36.) Mg(C2H3O2)2

39.) BaO

http://www.youtube.com/watch?v=CyFGooWJvGg&list=PL3ABD5DB7B56A641F&index=2&feature=plpp_video

lead (II) sulfite

copper (I) arsenide

iron (III) oxide

vanadium (V) phosphate

For the following compounds, give the formulas

1. Begin by identifying the metal and nonmetal.2. Write symbols3. Write charges (for transition metals, the charge of the metal is the number in the () after the metal name.4. Cross-over the charges from top to bottom5. Remove the charges6. Simplify the numbers and remove 1's

Bell ringer

We will use the reverse of the 6 step cross-over to do this.1. Separate the 2 elements or polyatomic ions.2. Add 1's to elements with no number.3. Cross-over bottom to top.4. Add charges- 1st one is +, 2nd one is -5. Make sure the charges match the expected charges in the PT or PAL.6. Write the name. Metal stays the same, nonmetal drops its ending and adds -ide. For transition metals, change the charge to roman numerals, place in parentheses following the metal name. [Fe2+ would change to Iron (II) ]

NaOH

MgBr2

KCl

Al2S3

Mg3P2

Zn(OH)2

BeSO4

Name the following ionic compounds, please note that no Roman Numerals are needed.

We will use the reverse of the 6 step cross-over to do this.1. Separate the 2 elements or polyatomic ions.2. Add 1's to elements with no number.3. Cross-over bottom to top.4. Add charges- 1st one is +, 2nd one is -5. Make sure the charges match the expected charges in the PT or PAL.6. Write the name. Metal stays the same, nonmetal drops its ending and adds -ide. For transition metals, change the charge to roman numerals, place in parentheses following the metal name. [Fe2+ would change to Iron (II) ]

Formulas Lesson 4_ Transition Metals Part 2.mp4

FeCl2

FeCl3

CrF2

PbO

Roman Numerals are needed here, because these contain Transition Metals.

We will use the reverse of the 6 step cross-over to do this.1. Separate the 2 elements or polyatomic ions.2. Add 1's to elements with no number.3. Cross-over bottom to top.4. Add charges- 1st one is +, 2nd one is -5. Make sure the charges match the expected charges in the PT or PAL.6. Write the name. Metal stays the same, nonmetal drops its ending and adds -ide. For transition metals, change the charge to roman numerals, place in parentheses following the metal name. [Fe2+ would change to Iron (II) ]

Binary Ionic Compounds

Binary Ionic Compounds part 2

Polyatomic part 1

Polyatomic part 2