Polarity
The electronegativity difference that determines if a bond is polar or non-polar.
What is 0.4?
The molar mass of H2.
NaCl
Ionic
The number of protons in Silicon-30
What is 14?
The energy change in a combustion reaction (exothermic or endothermic)
What is exothermic?
The polarity of O2
What is nonpolar?
The molar mass of N2
What is 28 g/mol?
H2O
Covalent
The number of valence electrons Fluorine has.
What is 7?
The reactant of a combustion reaction besides fuel
What is oxygen gas?
The electronegativity difference of N-F
What is 1.0?
The molar mass of CH4
What is 16 g/mol?
MgO
Ionic
The number of electrons Phosphorus has (NOT valence)
The products of a combustion reaction.
What are carbon dioxide and water?
The polarity of Al-Cl
The molar mass of H2O.
What is 18 g/mol?
SO2
Covalent.
The number of neutrons Aluminum-25 has.
What is 12 neutrons?
1 C3H8 + _ O2 --> 3 CO2 + 4 H2O
Determine the missing coefficient.
What is 5?
The molar mass of CO2
What is 44 g/mol?
HC2H3O2
Covalent
The number of neutrons Bromine-81 has.
What is 46 neutrons?
2 C4H10 + _ O2 --> 8 CO2 + 10 H2O
Determine the missing coefficient
What is 13?