Chemical Names and Formulas
Give the oxidation numbers for each of the following elements in the compound SnO2
O=-2
Sn=+4
Most sulfates are soluble, give an example of one that is not
BaSO4, SrSO4, Ag2SO4, PbSO4, CaSO4
What is the molar mass of NaCl?
What is the name of a negative ion
anion
Convert 65kg to mg
65000000mg
Give the oxidation numbers for each of the following elements in the compound Fe3N2
Fe=+2
N2=-3
Is MgSO4 soluble or insoluble
It is soluble
How many grams are in 4.5 moles of magnesium?
109.373g
How do atoms become ions
lose or gain e-
A material with a density of 2.7 grams/mL occupies 35.6 mL. How many grams of the material are there?
96.12 g
What is the formula for Chromium(III) oxide
Cr2O3
Name an indicator of a chemical reaction
Odor change, change in temperature, color change, production of a precipitate, and gas production
What is the following chemical equation
Sodium oxide, water, and carbon dioxide react to form sodium bicarbonate
Na2CO3 + CO2 + H2O → (2)NaHCO3
what is group 1 of the periodic table called
Alkali metals
At constant temperature, the product of pressure and volume of a given amount of gas is constant this is?
Boyle's law
What is the formula for titanium(II)sulfate
TiSO4
balance equation IF5 + H2O = HIO3 + HF
balance equation IF5 + (3) H2O = HIO3 + (5) HF
Balance the equation Na + FeBr3
(3) NaBr + Fe
What are electrons called on the outside energy level
valence electrons
How many dimensions is the D electron configuration
5
What is the name of the compound P4S5
Tetraphosphorous pentasulfide
Identify this type of reaction 3 H2 + N2 = 2 NH3
Synthisis
How many moles of silver nitrate, AgNO3, react with 3.6 moles of calcium chloride, CaCl2
2 moles of AgNO3 react with 1 mole of CaCl2.
If you move left to right within a periodic table the ionization energy of elements_______?
Increase
What is the noble gas configuration of arsenic
[Ar] 3d¹⁰ 4s² 4p³