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Q2 Diagnostic Test

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What is the maximum number of bonds does a hydrogen atom need to be stable?

a)

1

b)

2

c)

3

d)

4

2.

Which of the following chemical bonds results from the sharing of electrons to form bonds?

a)

metallic bond

b)

covalent bond

c)

ionic bond

d)

charged bond

3.

What type of covalent bonding has an EQUAL sharing of electrons from atoms?

a)

polar covalent

b)

single covalent bond

c)

non polar covalent

d)

double covalent bond

4.

Which of the following pairs of elements and valence electrons is correct?

a)

Magnesium: VE= 2

b)

Oxygen: VE= 8

c)

Hydrogen: VE=2

d)

Chlorine: VE=1

5.

Which among the given compounds is an example of an UNSATURATED hydrocarbon?

a)

ethane

b)

nonane

c)

methane

d)

octyne

6.

How many hydrogen atoms are attached to the carbon atoms of OCTENE?

a)

16

b)

18

c)

20

d)

22

7.

How many carbon atoms are present in pentane?

a)

2

b)

3

c)

4

d)

5

8.

Which of the compounds below is most likely to be covalent?

a)

sodium chloride

b)

magnesium hydride

c)

dihydrogen monoxide

d)

aluminum nitride

9.

What is the correct name for the covalent compound, SF6?

a)

sulfur fluoride

b)

sulfur hexafluoride

c)

monosulfur hexafluoride

d)

monosulfide sixfluoride

10.

What is the chemical formula of this structure?

a)

C4H8

b)

C4H10

c)

C5H10

d)

C5H12

11.

What is the chemical name of this structure?

a)

3-decane

b)

2,2,3-methylheptane

c)

2,3,5-trimethylheptane

d)

2,5,6-trimethylpentane

12.

What is the chemical formula when Potassium and Chlorine are combined together?

a)

KCl

b)

KCl2

c)

K2Cl

d)

PCl