Chemical formulas
Chapter 7
Naming Ionic compounds
Lesson Objective
• Objectives:
• 1. The students will identify the following
unknown chemical formulas.
• 2.The student will be given the cation
name and anion name and then they will
write the formula with symbols.
• 3.The student will be given the symbols
and will then write the cation name and
anion name.
ND science standard
• 11-12.3.6 Write the chemical formula and
name for compounds using a table of
element names, symbols, and oxidation
numbers.
Description of Proficiency level
• The goal is to be proficient in the following
as far as the standards :
• Students write the chemical formula and
name for many different compounds using
a table of element names, symbols and
oxidation numbers.
Naming exercise page 1
• 1. NH4Cl
____________
• 2. Fe(NO3)3 ____________
• 3. TiBr3
_-------------------------------
• 4. Cu3P _____________
Answers for page one
• 1. Ammonium chloride
• 2. Iron (III) nitrate
• 3. titanium (III) bromide
• 4. Copper (I) phosphide
Exercise page 2
• 1. SnSe2 __________
• 2. GaAs ___________
• 3. Pb(SO4)2 __________
• 4. Be (HCO3)2 ____________
Answers for Page 2
• 1. Tin (IV)selenide
• 2. Gallium arsenide
• 3. Lead (IV)sulfate
• 4. Beryllium Bicarbonate
Exercise page 3
• 1. Chromium (VI) Phosphate _________
• 2. Vanadium (IV) carbonate ___________
• 3. tin (II) nitrite ___________
• 4. Cobalt (III) oxide __________
Answers to page 3
• 1. Cr(PO4)2
• 2. V(CO3)2
• 3. Sn(NO2)2
• 4. Co2O3
Page 4 exercises
• 1. Titanium (II) acetate _________
• 2. Vanadium (V) sulfide _________
• 3. Chromium (III) hydroxide ________
• 4. Lithium Iodide ______________
Page 4 exercises
• 1. Ti(C2H3O2)2
• 2. V2S5
• 3. Cr(OH)3
• 4. LiI
Exercise #2
• The class will be divided into teams and
each team will be given ten formulas to
solve. Once they solve these they will go
and solve the other sets of 10. First team
done will receive 5 bonus points. Second
team will receive 3 bonus points. Next two
teams will receive 1 bonus point.
Teams
• Team Alpha- Kyle, Chris, Alisha
• Team Beta-Andy, Taylor, Trina, Michelle
• Team Gamma- Tom, Shannon, Jessie
• Team Delta- Ethan, Courtney, Kim
Assignment
• Complete handout for Thursday