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Worksheets

Ch 11 - 2

Total questions: 24

Worksheet time: 16mins

Name
Class
Date
1.

Compounds are formed when atoms share

a)

protons

b)

neutrons

c)

valence electrons

d)

atomic mass

2.

Name the bond that atoms share electrons

a)

Convalent

b)

Ionic

c)

Atomic

3.
Why do elements bond?
a)

To become stronger

b)
To create a new element
c)
To become stable
4.
Ionic or covalent?
H2O
a)
Ionic
b)
Covalent
5.

What kind of element forms covalent bond?

a)

metals

b)

semi -metals

c)

non metals

d)

metal and non metal

6.

H2SO4 is the chemical formula with what elements

a)

oxygen

b)

sulphur

c)

helium

d)

hydrogen

e)

silver

7.

Covalent Compounds can be __________ bonded

a)

zero

b)

single

c)

double

d)

triple

e)

quadruple

8.

Number of covalent bonds can form in group 16

a)

one

b)

two

c)

three

d)

four

9.

Number of covalent bonds can form in group 16

a)

one

b)

two

c)

three

d)

four

10.

In an electron dot diagram, two pairs of shared electrons represents a ...

a)
single bond
b)
double bond
c)
triple bond
d)
quadruple bond
11.

Which is the correct bond diagram for S2

a)
b)
c)
d)
12.

The slight positive end/s and a slight negative end/s

of a molecule/compound is called

a)

directions

b)

poles

c)

polar

d)

opposites

13.

Polar molecules have unequal sharing of ____________

a)

neutrons

b)

protons

c)

electrons

14.

SO2

a)

Polar

b)

Non-polar

15.

CS2

a)

Polar

b)

Non-polar

16.

Which of the following statements is/are TRUE

a)

Polar molecules dissolves better in Non-Polar molecules

b)

Polar molecules dissolves better in Polar molecules

c)

Non-Polar molecules dissolves better in Non-polar molecules

d)

Non-Polar molecules cannot dissolve

17.

Compounds are chemical combinations of two or more

a)

atoms

b)

elements

c)

electrons

d)

protons

18.

A group of chemical symbols and numbers that

represent the elements and the numbers of atoms

of each element in a compound.

a)

chemical bond

b)

chemical formula

c)

chemical combination

d)

chemical portion

19.

__________

show the shape and appearance of

the arrangement of atoms in a compound.

a)

Chemical formula

b)

Molecular formula

c)

Molecular models

d)

Chemical modles

20.

A ______________is a group of atoms held together by

covalent bonding that acts as an independent unit.

a)

compound

b)

molecule

c)

mixture

21.

Generally have low melting points and low boiling points.

They are poor conductors of electricity

a)

Covalent compounds

b)

Ionic

compounds

c)

Metallic

compounds

22.

Which type of the covalent bonds is the strongest

a)

they are

the same

b)

single

c)

double

d)

triple

e)

quadruple

23.

Molecules made up of atoms of the same element are

a)

polar

b)

non-polar

c)

sometimes polar

sometimes non-polar

24.

O2

a)

Polar

b)

Non-polar