Periodic Table
The atomic number for Mg.
What is 12?
The rounding rule for significant figures when multiplying or dividing.
What is the lowest amount of significant figures?
The number of grams in a kg.
What is 1000?
The composition of an ionic compound.
What is a nonmetal+ a metal?
The composition of a covalent compound
What is a nonmetal + nonmetal?
T/F: Si is a metalloid.
What is true?
The rounding rule for significant figures for adding or subtracting.
What is the least amount of decimal places?
The SI base unit for time.
What is a second?
T/F: BF3 is an ionic compound.
False, it is a covalent compound
T/F: CO2 is a covalent compound.
True
The atomic mass of Cl.
What is 35.45 amu?
19.4756 to three significant figures.
19.5
Convert 10 Mm to mm.
1,000,000,000
The chemical formula for this binary ionic compound, Mg and S.
What is MgS?
The name for the compound IO7.
Iodine Heptoxide
The charge of Al.
What is +3?
(965.43 x 3.911) + 9413.4136
13189
Convert 21.56 cm to inches.
1in. = 2.54 cm
8.49 inches
Name the charge on the cation of AlBr3.
What is Al3+?
The name for one atom of carbon and three atoms of bromine.
Carbon Tribromide
The possible charges of Chromium.
What is +2,+3?
[(154.7-132)x3.07]/0.702
99
A mass of mercury occupies 1.550 L. What volume would an equal mass of ethanol occupy? The density of mercury and the density of ethanol is 0.789 g/mL.
1550 mL
What is the chemical formula for iron(III) phosphate?
FePO4
What is N2F5?