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Chemistry 1st Quarter Review Quizizz

Total questions: 60

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

The SI base unit of temperature is

(a)  

2.
How many sig figs are there?
9009.00
a)
2
b)
4
c)
5
d)
6
3.

There are (a)   kilograms of calcium in 173 pounds of calcium. (1 pound = 453.59 grams; 1 kg = 1000 g). Round to two sig figs.

Choose from the below words
78.4715 Kg
78.5 Kg
78 Kg
80 Kg
4.

Convert this number to standard notation:

Type with no spaces

1.4 x 10-2

(a)  

5.

The correct pair of physical quantity and SI unit is (a)   .

Choose from the below words
Mass - SI unit : kilogram
Time - SI unit : Hour
Electric current - SI unit : Volt
Temperature - SI unit : Celcius
6.

What experiment did Ernest Rutherford use to prove the presence of protons in the atom?

a)

Cathode Ray Tube Experiment

b)

Gold Foil Experiment

c)

Oil Drop Experiment

d)

Plum Pudding Experiment

7.

Where can you find both neutrons and protons in the atomic structure?

a)

Outer shell

b)

Electron cloud

c)

Nucleus

d)

Proton cloud

8.

Which subatomic particle is positive in charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Positron

9.

How many electrons are required to accomplish the “octet rule”?

a)

2

b)

4

c)

6

d)

8

10.

How do you get the number of neutrons?

a)

Atomic number plus Atomic mass

b)

Atomic mass minus Atomic number

c)

Atomic number minus Atomic mass

d)

Atomic mass plus Atomic number

11.

Total number of Neutrons for Calcium?

a)

18

b)

19

c)

20

d)

21

12.

What is the chemical symbol Na?

a)

Neon

b)

Sodium

c)

Nickel

d)

Nitrogen

13.

Used to hold stuff.

Often placed on a hot plate to heat stuff.

Should not be used to measure volume.

a)

graduated cylinder

b)

beaker

c)

pipette

14.

Used to hold liquids.

Should not be used to measure volume.

Can be used to contain small reactions.

Can be used to hold stuff being heated over a flame.

a)

test tube

b)

test tube rack

c)

beaker

15.

What is the atomic number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons in the energy levels

16.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

17.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

18.

Which of the following determines the identity of an element?

a)

number of protons

b)

atomic mass

c)

number of neutrons

d)

number of shells

19.

Different isotopes of an element contain different numbers of ___.

a)

protons

b)

neutrons

c)

electrons

d)

elements

20.

What is the difference between Neon-20 and Neon-22?

a)

They have different numbers of electrons.

b)

They have different numbers of neutrons.

c)

Only 1 is radioactive.

d)

No difference.

21.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
22.
Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  Which isotope of lead is likely to be the most abundant.
a)
204
b)
206
c)
207
d)
208
23.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
a)
74.92 amu
b)
24.97 amu
c)
75.01 amu
d)
74.51 amu
24.

The atomic mass of an element is the ___.

a)

average of the mass number and the atomic number for the element

b)

weighted average of the masses of the isotopes of the element

c)

total mass of the isotopes of the element

d)

total number of subatomic particles in the nucleus

25.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
26.
What is the ionic symbol for a phosphorus atom?
a)
P-3
b)
P+3
c)
P-2
d)
P+2
27.
What is the ionic symbol for a Gallium atom?
a)
Ga+3
b)
Ga-3
c)
Ga+2
d)
Ga-2
28.
How many total electrons does O-2 (an oxide ion) have?
a)
8
b)
10
c)
6
d)
18
29.

Which ion is correctly written?

a)

Al+3

b)

Al-5

c)

Cl+2

d)

S+2

30.

Noble gas elements (Group 18)

a)

never form ions

b)

are highly reactive

c)

form +8 charged ions

d)

form -8 charged ions

31.

The halogens (Group 17)

a)

have 7 valence electrons.

b)

form -1 ions

c)

are the most reactive family of nonmetal elements.

d)

All of these are true.

32.

Which of the following are properties of metals?

a)

Shiny

b)

Dull

c)

Malleable

d)

Ductile

e)

Brittle

33.

Which of the following are properties of nonmetals?

a)

Good conductors of heat

b)

Dull

c)

Malleable

d)

Poor conductors of electricity

e)

Brittle

34.

Which of the following elements has the LARGEST atomic radius?

a)

K

b)

Na

c)

Al

d)

N

35.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

36.
Name group 2 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
37.
Name groups 3 - 12 on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals
38.

When atom gains an electron, the size will

a)

increase

b)

decrease

c)

have no change

d)

smaller

39.
Why is water NOT on the periodic table?
a)
It is naturally occuring
b)
It is a compound, not an element
c)
It exists as a solid, a liquid, and a gas
d)
Its chemical formula doesn't fit
40.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
41.
Which is needed to remove an electron?
a)
Ion
b)
electron affinity
c)
electronegativity
d)
ionization energy
42.

Metals and nonmetals form (a)   bonds

43.

Nonmetals combine to form molecular compounds with (a)   bonds

44.

What is the name of the following compound?

MgBr2

a)

magnesium bromide

b)

magnesium bromine

c)

magnesium dibromide

d)

bromine magnesium

45.

What is the correct name for the following compound?

Ca(NO2)2

a)

Calcium nitroxide

b)

calcium nitrite

c)

calcium nitrate

d)

calcium nitro dioxided

46.

What is the formula for tetraphosphorous decasulfide?

a)

PS10

b)

P10S4

c)

P4S10

d)

P6S5

47.

What is the correct formula for Lithium dichromate?

a)

LiCr2O7

b)

LiCrO4

c)

Li2Cr2O7

d)

Li2CrO4

48.

Which is the correct formula for Aluminum perchlorate?

a)

Al(ClO)3

b)

Al(ClO2)3

c)

Al(ClO3)3

d)

Al(ClO4)3

49.

What is the name of N2O?

a)

nitrogen oxide

b)

dinitrogen monoxide

c)

nitrogen monoxide

d)

dinitrogen oxide

50.

If an ionic compound contains a transition metal, Roman numerals are used to determine the _____.

a)

version of the isotope

b)

version of the ion

c)

order of appearance

d)

charge on the ion

51.

What is the correct name for Fe(OH)3?

a)

(III) iron hydroxide

b)

Iron hydroxide (III)

c)

Iron (III) hydroxate

d)

Iron (III) hydroxide

52.

The correct coefficients to correctly balance the following equation

____ C7H16 + ____ O2 --> ____ CO2 + ____ H2O

from left to right would be:

a)

2, 22, 14, 16

b)

1, 5, 3, 4

c)

1, 15/2, 7, 8

d)

1, 11, 7, 8

53.

Which of the following reactions reactions would be classified as single replacement?

a)

____ P4 + ____ O2 --> ____ P2O3

b)

____ Al + ____ HCl --> ____ H2 + ____ AlCl3

c)

____ SO2 + ____ Li2Se --> ____ SSe2 + ____ Li2O

d)

____ K + ____ Cl2 --> ____ KCl

54.

What coefficient would go in from of hydrogen cyanide (HCN) in order for this chemical equation to be correctly balanced?

__ HCN + ___ CuSO4 --> ___ H2SO4 + ___ Cu(CN)2

a)

4

b)

3

c)

2

d)

1

55.

What is happening in this reaction?

H2CO3(aq) --> H2O(l) + CO2(g)

a)

Carbonic acid, H2CO3 is being combusted.

b)

Carbonic acid, H2CO3 is being rearranged.

c)

Water and carbon dioxide are products of decomposition.

d)

Carbonic acid, H2CO3 is single replacement.

56.

Which statements are true for the following equation?

3Ba(OH)2 + 2AlCl3 → 2Al(OH)3 + 3BaCl2

I. The equation shows a synthesis reaction.

II. The equation is unbalanced as written.

III. The equation shows a double replacement reaction.

a)

I only

b)

I and II only

c)

III only

d)

II and III only

e)

I, II and III

57.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
58.
What are always the product(s) for the combustion of a hydrocarbon?
a)
O2
b)
Acids and Bases
c)
H2O and CO2
d)
H2 and C
59.

The blue numbers in the image represent

a)

subscripts

b)

coeffiecients

c)

roman numerals

d)

none of the answer options are correct

60.

When balancing a chemical equation, you can only change _________, you can never change _______!

a)

coefficients, subscripts

b)

subscripts, coefficients

c)

formulas, subscripts

d)

coefficients, formula units

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