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Post test review (part 1)

Total questions: 35

Worksheet time: 42mins

Name
Class
Date
1.
MgS 
a)
Magnesium sulfide
b)
Monomagnesium monosulfide
c)
Magnesium monosulfide
2.
Al2S3
a)
Dialuminum Trisulfide
b)
Aluminum sulfide
3.
N2, Cl2, and O2 are all 
a)
diatomic molecules.
b)
ionic bonds.
c)
of equal mass.
d)
solids.
4.
Brinclhof refers to what?
a)
The noble gases
b)
Diatomic molecules
c)
An unbalanced equation
d)
Elements written with a subscript of 3
5.

Which of the following elements LOSES 1 electron in order to attain an octet?

a)

potassium

b)

calcium

c)

helium

d)

boron

e)

fluorine

6.

Which of the following elements GAINS 2 electrons in order to attain an octet?

a)

cesium

b)

magnesium

c)

phosphorus

d)

sulfur

e)

iodine

7.
Three pairs of electrons are shared in a
a)
Single bond
b)
Double bond
c)
Triple bond
8.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
9.
Name the compound.
CuBr2
a)
copper bromide
b)
copper (I) bromide
c)
copper (II) bromide
d)
copper (III) bromide
10.

Name the compound.

TiCl3

a)

titanium chloride

b)

titanium (I) chloride

c)

titanium (II) chloride

d)

titanium (III) chloride

11.

What is the name given to the group 1A elements?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Halogens

12.

What is the name given to the group 7A elements?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Halogens

13.

Which element's atoms are larger?

a)

Sodium

b)

Silicon

14.

Which atom has the largest atomic radius?

a)

potassium

b)

rubidium

c)

francium

d)

cesium

15.

Which element has a higher electronegativity value?

a)

Niobium

b)

Tin

c)

Cadmium

d)

Iodine

16.

Which element has a lower electronegativity value?

a)

Calcium

b)

Barium

17.

How many valence electrons does Hydrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

18.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
19.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
20.

Which scientist was the first person responsible for proposing the discovery of the electron?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

21.

Which scientist was the first person responsible for proposing the discovery of the nucleus?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

22.

Which scientist claimed that the atom was a small, dense, solid sphere?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

23.

Which scientist's model is referred to as the Plum Pudding Model?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

24.

Which scientist's model is referred to as the Planetary model?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

25.
Negative ions are called
a)
Cations
b)
Electrons
c)
Anions
d)
Neutrons
26.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
27.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
28.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
29.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
30.
What is the definition of isotope?
a)
atoms of an element with different numbers of neutrons.
b)
materials break down over time at a very consistent rate
31.

Define alloys

a)

Metals

b)

Mixture of two or more elements

c)

A group of non-metals

d)

Carbon compound

32.
One of the signs of a chemical reaction taking place is:
a)
Bubbles are produced 
b)
Reactants are not combining
c)
Products are not forming
d)
Color is not changing
33.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
34.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
35.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7

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