exam 2 (chem1301) / practice questions

the correct name for an aqueous solution of HCL is

• hypochlorous acid

• hydrochloric acid

• hypochloric acid

• chloric acid

• perchloric acid

the name for MnBr2 is

• manganese(III) bromide

• magnesium bromide

• manganese(I) bromide

• manganese(II) bromide

• manganese bromide

the correct formula for lead(II) sulfite is

• LSO4

• L2SO4

• PbSO3

• PbSO4

• Pb2SO3

how many protons, electrons, and neutrons, respectively, does 31P have?

• 15, 16, 15

• 15, 31, 16

• 15, 15, 16

• 15, 15, 31

• 16, 15, 31

the name for Ba(NO3)2 is

• barium nitrate

• barium(I) nitrate

• barium dinitrate

• barium(II) nitrate

• barium nitrite

which particle has the smallest mass?

• proton

• helium nucleus

• electron

• neutron

an atom with 15 protons and 16 neutrons is an atom of

• Rh

• P

• Pd

• Ga

• S

the symbol for the element boron is

• Be

• Bn

• Bm

• Bor

• B

when the following equations are balances using the smallest possible integers, what is the number in front of O2?

N2(g) + O2(g) --> N2O3

• 1

• 3

• 4

• 6

• 2

which of these are isotopes of hydrogen?

• 3H and 2H

• 42K and 40K

• 2H and He

• 12C and 13C

• Li+ and He