BONDING
State the 3 types of bonds and what each bond is composed of
Ionic: metal (+) & nonmetal (-)
Covalent: nonmetals
Metallic: metals
When do you use Greek prefixed for naming?
covalent compounds
What type of reaction is shown:
H2O2 --> H2 + O2
Decomposition
Which compound has the greatest molar mass?
CO, H2O, CO2, H2O2
CO2
Given the reaction:
PbCl2 + Na2CrO4 --> PbCrO4 + 2NaCl
What is the mole to mole ration of lead chloride to sodium chloride?
1 : 2
What kind of compound is NH3?
(polar) covalent
Name the following compound:
CF4
Carbon tetrafluoride
Balance the following reaction:
___ NaOH --> ____ Na2O + ____ H2O
2NaOH --> ____ Na2O + ____ H2O
How many particles are in 5 moles of Ca(OH)2?
3.01 x 1024 particles
Given the reaction:
2H2O --> 2H2 + O2
If 3.4 moles of O2 are produced, how many moles of H2O reacted?
6.8 moles
What kind of compound is CaCl2?
ionic
Name the following compound:
LiNO3
Lithium nitrate
Balance the following equation:
___ S8 + ___ O2 --> ___ SO3
S8 + 12 O2 --> 8 SO3
How many moles are in 150 grams of HCl?
4.11 moles
Based on the chemical reaction below, how many moles of C will be produced if you started with 2.4 x 1023 molecules CF4?
CF4 --> 2F2 + C
0.399 moles C
high melting/ boiling point
Brittle
highly conductive when dissolved in water, no conductivity when solid
formed between metals and nonmetals
Write the formula for the following compound:
calcium acetate
Ca(C2H3O2)2
Mg + AgNO3 -->
Mg + AgNO3 --> Mg(NO3)2 + Ag
How many grams of CO2 is 5.67 moles of CO2?
249.53 grams
Given the reaction:
PbCl2 + Na2CrO4 --> PbCrO4 + 2NaCl
What is the total number of grams of NaCl formed when 6.4 x 1024 molecules of Na2CrO4 reacts completely?
1242 grams
Based on the VSEPR theory, what is the molecular geometry for PI3?
trigonal pyramidal
Name the following compound:
CoO2
Cobalt (IV) oxide
Predict the products:
FeCl3 + Na2CO3 -->
FeCl3 + Na2CO3 --> Fe2(CO3)3 + NaCl
How many grams are in 6.05 x 1024 particles of (NH4)2SO4?
1328 grams
Sodium reacts with water to form sodium hydroxide and hydrogen gas according to the reaction below:
2 Na + 2 H2O --> 2 NaOH + H2
If 90.0 grams of Na is dropped into water, how many grams of NaOH will be produced?
156.5 grams