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C3 Bonding

Total questions: 62

Worksheet time: 50mins

Name
Class
Date
1.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
2.
An atoms overall charge is 
a)
positive 
b)
depends on its mood 
c)
neutral 
d)
negative 
3.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
4.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus 
5.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
6.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
7.
Where are electrons located in the atom?
a)
Nucleus
b)
Shells/orbitals
c)
rings
d)
center
8.
How does the size of an electron compare to the size of a proton?
a)
larger
b)
smaller
c)
equal
9.
What is the overall charge of this atom?
a)
+4
b)
-3
c)
+1
d)
-1
10.
What is the overall charge of this atom?
a)
+3
b)
-3
c)
0
d)
+1
11.
If an atom gains a new electrons, does the atom become more positive or more negative?
a)
more positive
b)
more negative
c)
both
d)
neither
12.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
13.
How many outer shell electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
14.
What is the name for LiF?
a)
Lithium Fluoride
b)
Lithium Fluorine
c)
Fluorine Lithide
15.
How many electrons are needed in the outer shell of most atoms to be stable?
a)
2
b)
4
c)
6
d)
8
16.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
17.
What type of bond is this?
a)
ionic
b)
covalent
c)
metallic
d)
peptide
18.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
19.
Ionic bonds happen because of the ____ of valence electrons.
a)
sharing
b)
transfer
20.
The compound 02 would be classified as a 
a)
Covalent Bond
b)
Ionic Bond
c)
Element
d)
Metallic Bond
21.
A water molecule (H2O) is an example of a covalent bond becuase ____.
a)
The hydrogen gains an electron an the oxygen loses one.  
b)
Electrons are shared btween the hydrogen and oxygen
c)
They do not form a eutral goup of atoms. 
d)
Hydrogen and oxygen are both negative ions.  
22.
Ionic bonds form between what types of elements? 
a)
Metal to Metal
b)
Metal to Nonmetal
c)
Nonmetal to Nonmetal
23.
Covalent bonds form between what types of elements? 
a)
Metal to Nonmetal
b)
Nonmetal to Nonmetal
c)
Metal to Metal
24.
Which of the below element swill most likely form an Covalent Bond? 
a)
K and Cl
b)
H and O
c)
Al and Mg
d)
K and Na
25.
How many electrons does chlorine need to gain in order to have a full outer shell? 
a)
7
b)
0
c)
1
d)
8
26.
What does this picture represent?
a)
solid
b)
liquid
c)
gas
d)
plasma
27.
What does this picture represent? 
a)
solid
b)
liquid
c)
gas
d)
plasma
28.
What does this picture represent? 
a)
solid
b)
liquid 
c)
gas
d)
plasma
29.
Which is true about solids?
a)
They particles can move past each other. 
b)
The particles vibrate in their positions. 
c)
The particles do not form a pattern. 
d)
Solids have the highest kinetic energy
30.

A potassium atom has 19 protons. What is its electronic configuration?

a)

[2,8,9]

b)

[2,8,1]

c)

[10,8,1]

d)

[2,8,8,1]

31.

Outer shell electrons are called

a)

reject electrons

b)

valence electrons

c)

field electrons

d)

negative electrons

32.

Atoms want

a)

a full outer shell of electrons

b)

1 electron in the outer shell

c)

7 electrons in the outer shell

d)

to be cool

33.
Atoms form ions in order to become
a)
isotopes
b)
stable
c)
metals
d)
nonmetals
34.

How does a positively charged ion form?

a)

An atom loses an electron(s)

b)

An atom gains an electron(s)

c)

An atom gains a proton(s)

d)

An ionic compound dissolves

35.

How does a negatively charged ion form?

a)

An atom loses an electron(s)

b)

An atom gains an electron(s)

c)

An atom gains a proton(s)

d)

An ionic compound dissolves

36.

Lithium is in group 1 of the periodic table, which ion would it form?

a)

Li-

b)

Li2-

c)

Li+

d)

Li2+

37.

What charge does a bromine (Br) ion have?

a)

-1

b)

-2

c)

-3

d)

-4

38.

An atom of calcium loses two electrons to form a...

a)

Ca+ ion

b)

Ca2+ ion

c)

Ca- ion

d)

Ca2- ion

39.

Oxygen is in group 6 of the periodic table, which ion would it form?

a)

O-

b)

O+

c)

O2-

d)

O2+

40.
Which elements tend to lose electrons?
a)
metals
b)
nonmetals
41.
Which of the following is an example of an IONIC COMPOUND?
a)
NaCl
b)
H2O
c)
CO2
d)
NO
42.

Ionic bonding involves

a)

sharing of electrons

b)

transfer of electrons

43.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
44.

What best describes the structure of an ionic solid?

a)

simple molecule

b)

giant covalent molecule

c)

giant ionic lattice

d)

intermolecular

45.

In what form can an ionic compound conduct electricity?

[2 possible answers]

a)

when dissolved in water

b)

as a solid

c)

as a crystal

d)

when molten

46.

Select all of the statements below that are correct to describe the structure and properties of ionic compounds...

a)

They have high melting and boiling points

b)

They have a lattice structure

c)

The ions are held together by intermolecular forces

d)

They can conduct electricity when molten

e)

They can conduct electricity when solid

47.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
48.

Covalent bonds tend to happen between two

a)

metals

b)

non-metals

c)

metal and non-metal

49.
Which of the following is an example of a COVALENT COMPOUND?
a)
H2S
b)
KI
c)
CaCl2
d)
MgO
50.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
51.

What is a diatomic element?

a)

a metal bonded with a nonmetal

b)

2 or more nonmetals bonded together

c)

2 or more metals bonded together

d)

2 atoms of the same element bonded together

52.

What is it called if there are three-pairs of electrons being shared?

a)

Triple bond

b)

Single bond

c)

Tribond

d)

Double bond

53.

Formulae of these might include H2O

each molecule contains 1 O and 2H atoms

a)

simple covalent molecules

b)

metallic

c)

ionic

d)

giant covalent

54.

Carbon dioxide is a simple covalent molecule.

Which of the following is a property of simple covalent molecule?

a)

conduct electricity

b)

form lattices

c)

high boiling point

d)

low melting point

55.
Which consists of carbon atoms?
a)
graphite
b)
diamond
c)
fullerene
d)
all of these
56.

Define the term allotropes

a)

Atoms with same proton number but different number of neutrons

b)

Atoms with same proton number but different mass number

c)

Atoms in different arrangement and different physical form

57.

This picture is the structure of....

a)

Graphite

b)

Graphene

c)

Diamond

d)

Silica

58.

In diamond, each carbon atom is bonded...

a)

covalently to 4 others

b)

covalently to 3 others

c)

ionically to 4 others

d)

ionically to 3 others

59.

This picture is the structure of....

a)

Graphene

b)

Graphite

c)

Diamond

d)

Oxygen

60.

Diamond does not conduct electricity because...

a)

It is a non-metal

b)

It is a metal

c)

There are delocalised electrons

d)

There are no delocalised electrons

61.

In graphite, each carbon atom is bonded...

a)

covalently to 4 others

b)

covalently to 3 others

c)

ionically to 4 others

d)

ionically to 3 others

62.

Graphite does conduct electricity because...

a)

It is a non-metal

b)

It is a metal

c)

There are delocalised electrons

d)

There are no delocalised electrons

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