Free Printable Chem Final Multiple Choice Pt. 1

1.

Decide which of the following prefixes is the smallest...

a)

centi-

b)

milli-

c)

kilo-

2.

What is the SI unit for mass

a)

mole

b)

meter

c)

liter

d)

kilogram

3.

What is the number of significant digits in the measurement 54.000 m

a)

2

b)

3

c)

4

d)

5

4.

What is the measurement 1052 L, rounded off to two significant figure

a)

1050 L

b)

1100 L

c)

1000 L

d)

1150 L

5.

Which of the following is NOT a common metric unit for temperature?

a)

C

b)

K

c)

F

6.

The SI base unit for time is...

a)

hour

b)

day

c)

second

d)

minute

7.

The SI base unit to measure mass is the ...

a)

kilogram

b)

meter

c)

gram

d)

liter

8.

The chief advantage of the metric system over other systems of measurement is that it...

a)

has more units

b)

is derived from nature itself

c)

is in French

d)

is in multiples of 10

9.

How many significant figures does 50.00400 have

a)

7

b)

6

c)

5

d)

2

10.

What is the measurement 111.009 mm rounded off to four significant figures?

a)

111.01 mm

b)

111 mm

c)

111.0 mm

d)

110 mm

11.

Express the product of 2.20 mm and 5.000 mm [2.20 mm x 5.000 mm] using the correct number of significant digits.

a)

11.00 $mm^2$

b)

10 $mm^2$

c)

11 $mm^2$

d)

11.0 $mm^2$

12.

How many significant figures are in the measurement 0.0034 kg

a)

2

b)

4

c)

3

d)

5

13.

Express the sum of 1111.0 km and 222 km [1111.0 km+222 km] using the correct number of significant digits.

a)

1330 km

b)

1300 km

c)

1333 km

d)

1333.0 km

14.

Which of the following measurements contains two significant digits?

a)

0.00400 L

b)

0.00404 L

c)

0.00440 L

d)

0.00044 L

15.

What quantity does the kilogram measure?

a)

time

b)

force

c)

mass

d)

dimension

16.

What is the SI base unit for length?

a)

kilogram

b)

kilometer

c)

second

d)

meter

17.

The symbol mm represents...

a)

millimeter

b)

micrometer

c)

manometer

d)

megameter

18.

How many sig figs are in the measurement 811.40 grams?

a)

2

b)

5

c)

4

d)

3

19.

Express the sum of 7.65 m and 5.0 m [7.65 m + 5.0 m] using the correct number of significant digits.

a)

10 m

b)

13 m

c)

12.65 m

d)

12.7 m

20.

How many significant figures are in the measurement 40,500 mg?

a)

3

b)

5

c)

2

d)

1

21.

The particles that are found in the nucleus of an atom are

a)

electrons only

b)

neutrons only

c)

protons and neutrons

d)

protons and electrons

22.

An element has an atomic number of 58.

The number of protons and electrons of the atom are ____

a)

58 protons and 0 electrons

b)

29 protons and 29 electrons

c)

58 protons and 58 electrons

d)

58 protons and 58 neutrons

23.

All atoms of the same element have the same ____

a)

number of protons

b)

mass number

c)

atomic number

d)

mass

24.

How many protons, electrons, and neutrons are in an atom with an atomic number 40 and a mass number of 95?

a)

95 protons, 40 neutrons, 55 electrons

b)

40 protons, 40 electrons, 55 neutrons

c)

55 protons, 55 electrons, 55 neutrons

d)

55 protons, 55 electrons, 40 neutrons

25.

Isotopes of the same element have different _______

a)

number of electrons

b)

number of protons

c)

mass numbers

d)

number of neutrons

26.

What does the number 238 in the name Uranium-238 represent?

a)

the sum of protons and electrons

b)

the atomic number

c)

the mass number

d)

twice the number of protons

27.

The atomic number of an element is the total number of which particles in the nucleus?

a)

electron

b)

protons

c)

the atomic number

d)

neutrons

28.

What unit is used to measure weighted average atomic mass?

a)

amu

b)

nanogram

c)

gram

d)

kilogram

29.

Which of the following is in the same period as aluminum?

a)

boron

b)

oxygen

c)

nitrogen

d)

magnesium

30.

What's the electron configuration of Potassium?

a)

$1s^22s^22p^63s^23p^64s^1$

b)

$1s^22s^23s^23p^63d^1$

31.

Of the elements Pt, V, Li, and Kr, which is a nonmetal

a)

Pt

b)

V

c)

Li

d)

Kr

32.

Which of the following includes the majority of the elements

a)

nonmetals

b)

metals

c)

liquids

d)

metalloids

33.

$1s^22s^22p^63s^23p^6$

What element has this electron configuration

a)

neon

b)

argon

c)

iron

d)

sulfur

34.

Which of the following groupings contain only representative elements?

a)

Al, Mg, Li

b)

Ni, Fe, Zn

c)

Hg, Cr, Ag

d)

Cu, Co, Cd

35.

Which sub levels are in the third energy level?

a)

s, p, d, and f only

b)

s, p, and d only

c)

s and p only

d)

p and d only

36.

The principal quantum number indicates what property of an electron?

a)

speed

b)

position

c)

energy level

d)

electron cloud shape

37.

Which of the following formulas represent an Ionic Compound?

a)

$BaI_2$

b)

$CS_2$

c)

$N_2O_4$

38.

Which of the following elements does NOT form an ion with a charge of 1+?

a)

potassium

b)

hydrogen

c)

fluorine

d)

sodium

39.

How many valence electrons are in a silicon atom?

a)

8

b)

6

c)

2

d)

4

40.

What type of ions have names ending in -ide?

a)

only cations

b)

only anions

c)

only metal ions

d)

only gaseous ions

41.

What is the maximum size of charge an ion could have

a)

5

b)

6

c)

8

d)

4

42.

An -ate or -ite at the end of a compound name usually indicates that the compound contains _____

a)

only two elements

b)

fewer electrons than protons

c)

a poly-atomic anion

d)

neutral molecules

43.

How many valence electrons does a Helium atom have?

a)

3

b)

5

c)

4

d)

2

44.

What is the ion symbol for Cadmium

a)

$Cd^{2-}$

b)

$Cd^{3+}$

c)

$Cd^{1+}$

45.

$N^{3-}$

What is the correct name for the ion above

a)

Nitrite ion

b)

Nitrate ion

c)

Nitride Ion

d)

Nitrogen ion

46.

When naming a transition metal ion that can have more than one charge, then the charge is indicated by a _____

a)

suffix

b)

prefix

c)

superscript after the name

d)

Roman numeral following the name

47.

Which of the following occurs in an ionic bond?

a)

like-charged ions attract

b)

two atoms share two electrons

c)

oppositely charged ions attract

d)

Two atoms share more that two electrons

48.

How many valence electrons are in an atom of phosphorus?

a)

2

b)

4

c)

3

d)

5

49.

$Mn^{3+}$

Which of following compounds contains the ion above

a)

$MnBr_2$

b)

MnS

c)

$Mn_2O_3$

d)

MnO

50.

Which of the following is NOT a cation?

a)

ammonium ion

b)

sulfate

c)

iron III ion

d)

$Ca^{2+}$

51.

What is the name given to the electrons in the highest occupied energy level of an atom?

a)

antielectrons

b)

anions

c)

valence electrons

d)

cations

52.

How many valence electrons are in an atom of Magnesium?

a)

2

b)

3

c)

5

d)

4

53.

Which of the following contains the Lead II ion?

a)

$Pb_2S$

b)

$Pb_2O$

c)

PbO

d)

$PbCl_4$

54.

What is the charge on the Strontium ion?

a)

1-

b)

2+

c)

2-

d)

1+

55.

An ionic bond is a bond between ______

a)

a cation and an anion

b)

the ions of two different metals

c)

the ions of two different nonmetals

d)

valence electrons and cations

56.

Aluminum is group 3A metal. Which ion does Al typically form?

a)

$Al^{3-}$

b)

$Al^{5+}$

c)

$Al^{5-}$

d)

$Al^{3+}$

57.

How are the chemical formulas of binary compounds written?

a)

subscripts first, then ions

b)

anion on left, cation on right

c)

cation on left, anion on right

d)

Roman numeral first, then anion, then cation

58.

What is the charge of the CATION in the ionic compound Sodium Sulfate?

a)

1+

b)

2+

c)

3-

d)

1-

59.

$NaNO_3$

Which of the following compounds has the formula above

a)

Sodium Nitroxide

b)

Sodium Nitride

c)

Sodium Nitrite

d)

Sodium Nitrate

60.

What is the ion symbol for Phosphorus?

a)

$K^{3+}$

b)

$K^{1+}$

c)

$K^{2-}$

d)

$K^1-$

61.

What is the ion symbol for Phosphorus?

a)

$P^{3+}$

b)

$P^{2+}$

c)

$P^{3-}$

62.

Which would have more atoms?

a)

1 mole Au

b)

1 mol Si

c)

1 mole Li

d)

None, all are equal

63.

Which of the following elements exists as a diatomic molecule?

a)

neon

b)

lithium

c)

sulfur

d)

nitrogen

64.

The representative particle for a covalent compound is ...

a)

a formula unit

b)

an atom

c)

an ion

d)

a molecule

65.

The atomic masses of any two non-diatomic elements contain the same number of _______

a)

grams

b)

milliliters

c)

atoms

d)

molecules

66.

The representative particle for non-diatomic element is...

a)

an ion

b)

an atom

c)

a molecule

d)

a formula unit

67.

Avagadro's number of representative particles is equal to one...

a)

mole

b)

amu

c)

liter

d)

gram

68.

The mass of 1 mole of NaCl is the _____ of Sodium Chloride

a)

atomic mass

b)

molar mass

c)

molecular mass

d)

formula mass

69.

Which would have the highest mass?

a)

1 mol Li

b)

1 mol Au

c)

1 mol Si

d)

None, all are equal

70.

Which of the following pairs of compounds have the same percent composition?

a)

$C_2H_3$ and $C_3H_4$

b)

$H_2O$ and $H_2O_2$

c)

$NO_2\ and\ N_2O_4$

Chem Final Multiple Choice Pt. 1

Total questions: 70

Worksheet time: 35mins

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