Which charge do cations and anions have, respectively?
Positive and negative
What two types of atoms need to be present in order to make up a molecular compound?
How do coefficients act within a balanced chemical equation?
As a multiplication factor
Which one of these cannot conduct electricity?
Ionic compounds
Molecular compounds
Acids
Bases
Molecular compounds
What is Avogadro's number?
6.02 x 1023 molecules (per mole)
True or false, substances with two polyatomic ions count as an ionic compound
True
What is the prefix associated with 9?
Nona
How many of each atom are present within this snippet of a balanced reaction?
4 H3PO4
12 hydrogens
4 phosphorus
16 oxygen
What type of compounds form crystal lattices?
Ionic compounds
What is the molar mass of a Yttrium atom?
88.91 g/mol
What is the chemical formula for aluminum sulfide?
Al2S3
True or False, you use the criss cross rule for molecular compounds
False
Balance the following equation:
Al2O3 --> Al + O2
2 Al2O3 --> 4 Al + 3 O2
Which one of these would have the highest melting point?
NH3
C6H12O6
FeCl3
FeCl3
How many moles are in 182.7 g of sulfur? (S8)
0.7121 moles
What would the cation and ion look like in MgCr2O7?
Mg2+ Cr2O72-
What is the name of this compound?
SF6
Sulfur hexafluoride
Balance the following chemical equation:
AgNO3 + K3PO4 --> Ag3PO4 + KNO3
3 AgNO3 + K3PO4 --> Ag3PO4 + 3 KNO3
CsClO4
Ag2SO4
K3PO4
Mn(OH)2
K3PO4
How many moles are in 512 g of Al2O3?
5.02 moles
What is the name of this compound?
Cr(IO3)3
chromium (III) iodate
What would be the name for N3O6?
dinitrogen hexoxide (or hexaoxide)
Balance the following equation:
CO2 + H2O → C6H12O6 + O2
6 CO2 + 6 H2O → C6H12O6 + 6 O2
How does hydrogen act differently when in an acid, compared to when it's in a molecular compound?
Hydrogen becomes an ion (hydrogen proton, H+)
What mass is in 40.0 moles of sodium carbonate?
4,240 g