Free Printable Unit 5 Assessment

1.

What is the electron configuration for the element Cobalt (Co) - 27?

a)

$1s^2\ 2s^2\ 2p^6\ 3s^{2\ }3p^6\ 4s^2\ 3d^7$

b)

$1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6\ 4s^2\ 3d^{10}$

c)

$1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6\ 4s^2$

d)

$1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6\ 4s^2\ 3d^6$

e)

$1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6$

2.

The electron configuration is for which element below?

$1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6\ 4s^2\ 3d^{10}\ 4p^6\ 5s^2\ 4d^{10}\ 5p^3$

a)

Iodine (I) - 53

b)

Xenon (Xe) - 54

c)

Niobium (Nb) - 41

d)

Antimony (Sb) - 51

e)

Arsenic (As) - 33

3.

What is the abbreviation/shorthand electron configuration for the element Silver (Ag) - 47?

a)

$\left[Kr\right]\ 5s^2\ 4d^9$

b)

$\left[Xe\right]\ 5s^2\ 4d^9$

c)

$\left[Kr\right]\ 5s^2\ 4d^{10}$

d)

$\left[Ar\right]\ 4s^2\ 3d^9$

e)

$\left[Xe\right]\ 6s^2\ 5d^{10}$

4.

The abbreviated electron configuration is for which element below?

$\left[Ar\right]\ 4s^2\ 3d^{10}\ 4p^6$

a)

Krypton (Kr) - 36

b)

Xenon (Xe) - 54

c)

Argon (Ar)- 18

d)

Chlorine (Cl) - 17

e)

Bromine (Br) - 35

5.

What group is Aluminum (Al) - 13 in and how many valence electrons does it have?

a)

Group 3A

13 Valence Electrons

b)

Group 3A

3 Valence Electrons

c)

Group 13

13 Valence Electrons

d)

Group 3

8 Valence Electrons

e)

Group 3

3 Valence Electrons

6.

Which Lewis Structure is correct for the element Tin (Sn) - 50?

a)

A

b)

B

c)

C

d)

D

7.

Which Lewis Structure is correct for the molecule HF (Hydrogen Fluoride)?

a)

1.

b)

2.

c)

3.

d)

4.

8.

How many bonds will the element Boron (B) - 5 make in a molecule?

a)

1

b)

2

c)

3

d)

4

9.

How many bonds will the element Calcium (Ca) - 20 make in a molecule?

a)

1

b)

2

c)

3

d)

4

10.

What is the electronegativity value of Chlorine (Cl) - 17?

a)

3.04

b)

3.16

c)

2.58

d)

2.96

e)

2.55

11.

What type of bond forms in a molecule between a metal and a nonmetal? For example, NaCl (table salt)

a)

Ionic

b)

Covalent

c)

Metallic

12.

What type of bond forms in a molecule between a nonmetal and a nonmetal? For example, H₂O (water)

a)

Ionic

b)

Covalent

c)

Metallic

13.

Element X and Y have a difference in electronegativity of .34. This means they made a(n) _____ bond?

a)

Ionic

b)

Covalent Polar

c)

Covalent Nonpolar

14.

Mystery elements X and Y have a difference in electronegativity of 1.14. This means they made a(n) _____ bond?

a)

Ionic

b)

Covalent Polar

c)

Covalent Nonpolar

15.

Mystery elements X and Y have a difference in electronegativity of 1.8. This means they made a(n) _____ bond?

a)

Ionic

b)

Covalent Polar

c)

Covalent Nonpolar

Unit 5 Assessment

Total questions: 15

Worksheet time: 9mins

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