Chemistry 1441 Exam 1

1 inch = ? cm

2.54 cm

1 kg = ? lbs

2.205 lbs

1 ft = ? in

12 in

1 mL = ? cm^3

1 cm^3 or 1cc

Giga (G)

10^9

Mega (M)

10^6

Kilo (k)

10^3

Deci (d)

10^-1

Centi (c)

10^-2

Mili (m)

10^-3

Micro (μ)

10^-6

Nano (n)

10^-9

Pico (p)

10^-12

Femto (f)

10^-15

Density = ______ / ______

mass/volume or ρ ("rho")

SI unit for mass

kg (kilogram)

SI unit for length

m (meter)

SI unit for time

s (second)

SI unit for temperature

K (kelvin)

K = ? C

K = C + 273.15

Extensive Property

A property that depends on the amount of the sample

Intensive Property

A property that does not depend on the amount of the sample

Charge of an atom

neutral

Ion

A charged atom

Cation

A positively charged ion

Anion

A negatively charged ion

Atomic Number = Z

the number of protons in the nucleus

Atomic Mass = A

Number of protons and neutrons in the nucleus

Isotope

Atoms of the same element that have different numbers of neutrons

Carbon 12 = ? amu

12 amu

Periodic Table Groups

Main group, transition metals, and inner transition metals

Periodic Table stair step

Line separating metals and non-metals

Ammonium

NH4 +

Mercury(I)

Hg2 2+

Hydronium

H3O +

Acetate

C2H3O2 - or CH3CO2 -

Carbonate

CO3 2-

Hydrogen Carbonate (bicarbonate)

HCO3 -

Chlorate

ClO3 -

Perchlorate

ClO4 -

Chromate

CrO4 2-

Cyanide

CN -

Dichromate

Cr2O7 2-

Hydroxide

OH -

Thiosulfate

S2O3 2-

Nitrate

NO3 -

Nitrite

NO2 -

Permanganate

MnO4 -

Phosphate

PO4 3-

Hydrogen Phosphate

HPO4 2-

Dihydrogen Phosphate

H2PO4 -

Sulfate

SO4 2-

Hydrogen Sulfate (bisulfate)

HSO4 -

Sulfite

SO3 2-