5!
Is covalent bonding the equal sharing of electrons or the unequal sharing of electrons?
Equal sharing of electrons between a nonmetal and nonmetal
How do I obtain molar mass?
Obtaining it from the atomic mass on the periodic table
What elements make up a hydrocarbon?
Hydrogen and Carbon
What is the difference between heterogenous mixtures and homogenous mixtures?
Heterogenous: Not uniform throughout
Homogenous: Uniform composition, cannot be separated by physical means
What is an ion and what are the two types of ions?
Ion= charged particle
Two types = cations (+)
anions (-)
What is Avogadros number?
6.022 x 1023
When ions form, is it the loss/gain of electrons of protons?
Electrons
Complete the following equation with proper sig figs:
7356.4+78.79087=
7435.2
FeCl2
Iron (II) chloride
What is the molar mass for water?
18.016
What is an isotope?
The variations in protons of a single element that leads to the averaged amount of mass of an element known as the Atomic Mass.
Is an iron nail rusting, what type of change would that be?
Chemical change
Give the formula for Lithium Phosphate
Li3(PO4)
Convert 42.1 grams of NaCl to molecules of NaCl
4.34 x 1023
What is the name of the reaction that occurs between an alkane and oxygen that creates carbon dioxide and water?
Combustion Reaction
Convert 14.3 Tg to pg
1.43 x 1022
Give the name for the following acid:
H(IO2)
Iodous acid
How many atoms of H are there in 12.9 grams of C6H12O6
5.05 x 1023
Balance the following reaction:
CH4 + O2 -> CO2 + H2O
1 CH4 + 2 O2 -> 1 CO2 + 2 H2O