Periodic Table
Elements of this group will react violently with water. The ion form is M-
Alkali Metals
This forces are the ones responsible for the states of matter
Intermolecular forces or weak bonds
When heated Magnesium Sulfate pentahydrate will decompose into
magnesium sulfate and water
A fuel tank used in a barbecue contains 2.0 x 102 mole of propane, C3H8(g). The total number of atoms in the tank is
1.3 × 1027 atoms
This gas is produced by decomposing organic material in anaerobic conditions and is more potent than carbon dioxide as a greenhouse gas. (Hint: Is a non polar molecule)
Methane CH4
Which particles are responsible for the similar chemical and physical properties of elements in the same group?
valence electrons
This type of bond can form compounds as gas, liquid or solid at room temperature
Covalent
The reaction between Lithium and chlorine gas
Lithium chloride
Molar mass of sodium oxide
61.98 g/mol
Pressure and temperature are ______ proportional
Directly
is a relative indicator of the ability of an atom to attract shared electrons.
Electronegativity
Chlorine (Cl2) gas is a ____ molecule
non polar
a metal carbonate decomposition products
metal oxide and carbon dioxide
Silver exists as 51.87% Ag-107 and 48.16% Ag-109. The actual mass of Ag-107 is 106.90509 u and the actual mass of Ag-109 is 108.90476 u. What is the average atomic mass of silver?
107.9 u
one mole of a gas occupies the same volume as one mole of another gas at the same temperature and pressure.
Avogrado's Law
... Will increase in anions and decrease in cations
Ionic radius
HF
Hydrofluoric acid
sodium bromide + iodine
No reaction
The percentage of Na in Na2SO3
36.5%
H2 (g) + Cl2 (g) → 2HCl (g)
At STP, 0.72 g of hydrogen gas reacts with 8.0 L of chlorine gas. How many liters of hydrogen chloride gas is produced?
16 L
... is the energy required to remove an electron from an atom in the gaseous state.
Ionization energy
NaClO3
Sodium Chlorate
calcium hydroxide + phosphoric acid
calcium phosphate + water
Given the following reaction:
C3H8 + 5 O2 g --> 3 CO2 + 4 H2O
If you start with 14.8 g of C3H8 and 3.44 g of O2, identify the limiting reagent
Oxygen gas
Seawater contains roughly 28.0 g of NaCl per liter. What is the molarity of sodium chloride in seawater?
0.479 M