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Unit 4 - Mid Unit Review

Total questions: 23

Worksheet time: 6hrs 45mins

Name
Class
Date
1.

How many valence electrons does Calcium have?

a)

1

b)

2

c)

3

d)

4

e)

5

2.

What halogen is in period 5?

a)

Rubidium

b)

Strontium

c)

Iodine

d)

Xenon

3.

What charge of ion does nitrogen form?

a)

1-

b)

2-

c)

3-

d)

1+

e)

2+

4.

What family of elements already has a full octet of valence electrons without gaining or losing any?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

e)

Lanthinides

5.

What is the only metalloid in group 13?

a)

Aluminum

b)

Indium

c)

Boron

d)

Gallium

e)

Thallium

6.

What type of conductor is carbon?

a)

Good Conductor

b)

Poor Conductor

c)

Semiconductor

7.

What charge of ion will Aluminum form?

a)

1+

b)

2+

c)

3+

d)

3-

e)

2-

8.

What family of elements all have 2 valence electrons?

a)

Alkaline Earth Metals

b)

Halogens

c)

Alkali Metals

d)

Noble Gases

e)

Actinides

9.

What element is represented by the following noble gas notation: [Ne] 3s23p3

a)

Magnesium

b)

Phosphorus

c)

Chlorine

d)

Arsenic

e)

Argon

10.

How many valence electrons does Selenium have?

a)

1

b)

3

c)

4

d)

6

e)

7

11.

All of the alkali metals will form ions with what charge?

a)

1+

b)

2+

c)

3+

d)

3-

e)

2-

12.

How many valence electrons does Zinc - 66 have? (You will need to draw the Bohr diagram!!)

a)

1

b)

2

c)

3

d)

4

e)

5

13.

How many valence electrons does Strontium have?

a)

1

b)

2

c)

3

d)

4

e)

5

14.

How many valence electrons will Sulfur want to gain?

a)

0

b)

1

c)

2

d)

3

15.

Which of the following best explains how Lithium forms an ion?

a)

Gains 7 electrons to achieve a full octet

b)

Gains 1 electron to achieve a full octet

c)

Loses 1 electron to expose the layer of electrons underneath

d)

Loses 2 electrons to expose the layer of electrons underneath

16.

Which of the following best explains how Fluorine forms an ion?

a)

Gains 1 electron to achieve a full octet

b)

Gains 2 electrons to achieve a full octet

c)

Loses 1 electron to expose the layer of electrons underneath

d)

Loses 2 electrons to expose the layer of electrons underneath

17.

How many protons, neutrons, and electrons are in a neutral atom of Phosphorus - 31?

a)

P = 15, E = 16, N = 15

b)

P = 15, E = 15, N = 31

c)

P = 15, E = 15, N = 16

d)

P = 31, E = 31, N = 15

18.

What is the noble gas notation for Bromine?

a)

[Ar] 4s24p53d10

b)

[Ar] 4s23d104p5

c)

[Kr] 4s23d104p5

d)

[Ar] 1s22s22p5

19.

What charge of ion does hydrogen form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

20.

Which of the following best explains how nitrogen forms an ion?

a)

Gains 2 electrons to achieve an octet

b)

Gains 3 electrons to achieve an octet

c)

Loses 5 electrons to expose the layer of electrons underneath

d)

Loses 2 electrons to expose the layer of electrons underneath

21.

Which of the following elements has the largest atomic radius?

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

Silicon

22.

Which of the following elements has the smallest electronegativity?

a)

Sodium

b)

Potassium

c)

Rubidium

d)

Magnesium

23.

Which of the following elements has the largest ionization energy?

a)

Aluminum

b)

Silicon

c)

Phosphorus

d)

Arsenic

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