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CHEMICAL BONDS

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.

What is the name given to the electrons in the highest occupied energy level of an atom?

a)

orbital electrons

b)

valence electrons

c)

anions

d)

cations

2.

Which of the following occurs in an ionic bond?

a)

Oppositely charged ions attract.

b)

Two atoms share two electrons.

c)

Two atoms share more than two electrons.

d)

Like-charged ions attract.

3.

What is the name of the ionic compound formed from lithium and bromine?

a)

lithium bromine

b)

lithium bromide

c)

lithium bromium

d)

lithium bromate

4.

Which of the following pairs of elements is most likely to form an ionic compound?

a)

magnesium and fluorine

b)

nitrogen and sulfur

c)

oxygen and chlorine

d)

sodium and aluminum

5.

Atoms losing electrons form

a)

negative ions

b)

positive ions

c)

neutral atoms

d)

isotopes

6.

The charge of any ion depend upon the gain or loss of

a)

electron

b)

proton

c)

neutron

d)

neuclon

7.

Metals and non-metals combine to give the electronic configuration of

a)

alkalis

b)

noble gases

c)

metalloids

d)

acids

8.

Anions tend to have a __________ charge and cations tend to have a __________ charge.

a)

positive, positive

b)

negative, negative

c)

positive, negative

d)

negative, positive

9.

Metals just like Na tend to __________ electrons and nonmetals like Cl tend to __________ electrons.

a)

gain, gain

b)

lose, lose

c)

lose, gain

d)

gain, gain

10.

An ionic bond is a

a)

Transfer of electrons

b)

Pooling of electron

c)

Sharing of electrons

d)

Just losing electrons

11.

What holds ionic bonds together is

a)

Their love

b)

The periodic table

c)

ions with opposite charges

d)

protons and neutrons

12.

What are valence electrons

a)

Fancy electrons

b)

Electrons on the second level

c)

Electrons on the first level

d)

Electrons on the outermost energy level

13.

What makes a positive ion?

a)

Gaining electrons

b)

Gaining protons

c)

Losing electrons

d)

Losing protons

14.

How many covalent bonds does carbon form?

a)

None, it does not form covalent bonds.

b)

2

c)

3

d)

4

15.

Atoms sometimes form bonds to

a)

give away protons

b)

become more stable

c)

lose energy

d)

give away neutrons

16.

Oxygen atoms have six electrons in their outer shells. When 2 oxygen atoms bond they will form a ___ bond by ___ their electrons

a)

ionic, transferring

b)

covalent, sharing

c)

ionic, sharing

d)

covalent, transferring

17.

Copper atoms are held together by _____ bonds.

a)

ionic

b)

covalent

c)

electrostatic

d)

metallic

18.

A solid substance is soft, has a low melting point and is a poor conductor of electricity. The substance is most likely

a)

an ionic solid

b)

network solid

c)

a metallic solid

d)

a molecular solid

19.

Large molecules such as polythene and polystyrene contains

a)

ionic bonding

b)

metallic bonding

c)

covalent bonding

d)

dative bonding

20.

The bond which comes to existence due to sharing of electrons is known as

a)

ionic bonding

b)

covalent bonding

c)

metallic bonding

d)

dative bonding

21.

Which pair of elements is most apt to form a molecular compound with each other?

a)

aluminum, oxygen

b)

magnesium, iodine

c)

sulfur, fluorine

d)

potassium, lithium

22.

The result of an ionic bonding is an ionic compound with an overall neutral

charge, because the all the charges balance each other out.

a)

TRUE

b)

FALSE

23.

The stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

a)

TRUE

b)

FALSE

24.

Peptides and disulfide bonds are metallic in nature.

a)

TRUE

b)

FALSE

25.

Water is an example of a polar covalent compound.

a)

TRUE

b)

FALSE

26.

Metallic bond is a result of the outermost electron orbitals of the atoms overlapping each other.

a)

TRUE

b)

FALSE

27.

The metal is held together by the attraction between the cations and these electrons.

a)

TRUE

b)

FALSE

28.

The valence electrons are not attached to one atom but is shared amongst the atoms in a covalent bond.

a)

TRUE

b)

FALSE

29.

The greater the charge, the weaker the force of attraction between the electrons and

cations.

a)

TRUE

b)

FALSE

30.

The size of cation affects the strength of a metallic bond.

a)

TRUE

b)

FALSE

31.

Nickel is used in batteries and making alloys such as stainless steel. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

32.

Silver nitrate (AgNo3) is used for photography, inks and dyes. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

33.

Diamond is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

34.

Vinegar is composed of 5-8% volume by volume ethanoic acid (CH3 COOH) ( acetic acid )

diluted with water. Vinegar is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

35.

Silver is used for coins, ornaments and jewelry. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

36.

Silver nitrate (AgNo3) is used for photography, inks and dyes. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

37.

Iron is used for manufacturing and civil engineering. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

38.

Liquified Petroleum Gas is extracted from crude oil and natural gas and is made up of hydrocarbons containing 3 or 4 carbon atoms. It is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

39.

Baking Soda: NaHCO3 (Sodium Bicarbonate) is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic

40.

Drain Cleaner: NaOH (Sodium Hydroxide) is an example of ________ compound.

a)

ionic

b)

covalent

c)

metallic