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Chapter 1 Section 4 Molecular Structure

Total сұрақ: 83

Worksheet time: 2hrs 3mins

Аты
Сынып
Күн
1.

What does "malleable" mean?

a)

Can be made into a shape.

b)

Brittle

c)

Ductile

d)

Shiny

2.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
3.

Good conductor of heat

a)

Metal

b)

Non Metal

4.
At room temperature metals are ____________.
a)
plasma
b)
gases
c)
liquid
d)
solid
5.

Which property of metal makes it a good choice to make a car engine from?

a)

it has luster

b)

it has a high melting point

c)

it conducts electricity

d)

it has magnetism

6.

Generally low melting and boiling points

a)

Ionic compounds

b)

Covalent compounds

7.

Generally high melting & boiling points

a)

Ionic compounds

b)

Covalent compounds

8.

Which of the following represents a diatomic molecule?

a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
9.

4.      The ability of metals to be drawn into wires is called:

 

a)

Ductility

b)

Malleability

c)

Tensile strength

10.

3.      The ability of a material to be hammered into shape or thin sheets is called:

 

a)

Malleability

b)

Hardiness

c)

Ductility

11.

How many atoms of hydrogen are in

C6H12O6

a)

6

b)

12

c)

18

d)

2

12.

How man atoms of carbon are there?

a)

1

b)

2

c)

3

d)

4

13.

How many atoms of hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

14.

Easily broken or cracked

a)

crystal

b)

individual

c)

brittle

d)

molecule

15.

A force that holds two or more atoms.

a)

conductor

b)

simplify

c)

chemical bond

d)

brittle

16.

A solid with an orderly, repeating pattern.

a)

crystal

b)

conductor

c)

individual

d)

simplify

17.

A material that allows, heat, light, sound, or electric charge to flow from one thing to another.

a)

brittle

b)

chemical bond

c)

conductor

d)

molecule

18.

Existing separately from others

a)

force

b)

solid

c)

simplify

d)

individual

19.

A group of atoms that are held together by chemical bonds and act as a unit.

a)

conductor

b)

molecule

c)

bond

d)

element

20.

What is the meaning of molecules?

a)

that some elements are molecules

b)

a group of atoms that are held together by chemical bonds and act as a unit

c)

atoms can from complex molecules that range size

d)

one group of compound is ionic compounds

21.

What type molecules liquid to gas?

a)

vaporization

b)

freezing

c)

melting

22.

You can separate the particles that make up sugar from the particles that make up sand because sugar are ____ and sand are not.

a)

malleable

b)

ductile

c)

soluble in water

d)

acidic

23.

Substances are either elements or mixtures.

a)

True

b)

False

24.

Which properties describe elements that are nonmetal gases?

a)

composed of an extended structure

b)

composed of individual atoms or diatomic molecules

c)

high melting point

d)

low melting point

e)

strong attractions between particles

25.

A substance has an extended structure composed of two different elements. The elements are a metal and a nonmetal. Which property would this substance most likely have?

a)

can be hammered into sheets

b)

has a high melting point

c)

does not dissolve in water

d)

is a gas at room temperature

26.

Because they have an extended structure, elements that are ____ tend to be in the ____ state at room temperature.

a)

nonmetals, gas

b)

metals, solid

c)

metals, liquid

d)

nonmetal, solid

27.

Why does oil not dissolve in water?

a)

Oil is an extended structure, and water is made of polar molecules.

b)

Oil is an extended structure, and water is made of nonpolar molecules.

c)

Oil is made of nonpolar molecules, and water is made of polar molecules.

d)

Oil is made of polar molecules, and water is made of nonpolar molecules.

28.

What does "malleable" mean?

a)

Can be made into a shape.

b)

Brittle

c)

Ductile

d)

Shiny

29.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
30.

Good conductor of heat

a)

Metal

b)

Non Metal

31.
At room temperature metals are ____________.
a)
plasma
b)
gases
c)
liquid
d)
solid
32.

Which property of metal makes it a good choice to make a car engine from?

a)

it has luster

b)

it has a high melting point

c)

it conducts electricity

d)

it has magnetism

33.

Generally low melting and boiling points

a)

Ionic compounds

b)

Covalent compounds

34.

Generally high melting & boiling points

a)

Ionic compounds

b)

Covalent compounds

35.

Which of the following represents a diatomic molecule?

a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
36.

3.      The ability of a material to be hammered into shape or thin sheets is called:

 

a)

Malleability

b)

Hardiness

c)

Ductility

37.

How many atoms of hydrogen are in

C6H12O6

a)

6

b)

12

c)

18

d)

2

38.

How man atoms of carbon are there?

a)

1

b)

2

c)

3

d)

4

39.

How many atoms of hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

40.

Easily broken or cracked

a)

crystal

b)

individual

c)

brittle

d)

molecule

41.

A solid with an orderly, repeating pattern.

a)

crystal

b)

conductor

c)

individual

d)

simplify

42.

A material that allows, heat, light, sound, or electric charge to flow from one thing to another.

a)

brittle

b)

chemical bond

c)

conductor

d)

molecule

43.

Existing separately from others

a)

force

b)

solid

c)

simplify

d)

individual

44.
What is this?
a)
eyeballs
b)
an oxygen atom
c)
an oxygen molecule
d)
an oxygen compound
45.
Hydrogen, Helium, Oxygen, Carbon, etc. are all examples of
a)
molecules
b)
elements
c)
color schemes
d)
compounds
46.
This represents an
a)
the element, Hydrogen
b)
a molecule
c)
a compound
d)
a solar eclipse
47.
All of these molecules are 
a)
diatomic molecules
b)
diatomic compounds
c)
dietetic polymers
d)
allotropes of lithium
48.
True or False:  Atoms can bond to form molecules.
a)
True
b)
False
49.

Ionic bonds typically form between

a)

A metal and a nonmetal

b)

Two nonmetals

c)

Two metals

d)

A metalloid and a metal

50.

Calcium Oxide, CaO

a)

Covalent Bond

b)

Ionic Bond

51.

Calcium Chloride, CaCl2

a)

Covalent Bond

b)

Ionic Bond

52.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
53.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
d)

Metalloids

54.

Is the following compound ionic or covalent?

LiBr

a)

Ionic

b)

Covalent

55.

Is the following compound ionic or covalent?

PBr5

a)

Ionic

b)

Covalent

56.

Is the following compound ionic or covalent?

A material with a high melting point

a)

Ionic

b)

Covalent

57.

Is the following compound ionic or covalent?

Exists as a solid, liquid or gas

a)

Ionic

b)

Covalent

58.

Is the following compound ionic or covalent?

A material that has a low boiling point

a)

Ionic

b)

Covalent

59.

Is the following compound ionic or covalent?

Cl2

a)

Ionic

b)

Covalent

60.

Is the following compound ionic or covalent?

BaI2

a)

Ionic

b)

Covalent

61.

Is the following compound ionic or covalent?

Ag2O

a)

Ionic

b)

Covalent

62.

Is the following compound ionic or covalent?

A material that is hard and brittle

a)

Ionic

b)

Covalent

63.

Is the following compound ionic or covalent?

A material that contains two nonmetals

a)

Ionic

b)

Covalent

64.

Is the following compound ionic or covalent?

A material that contains a metal and a nonmetal

a)

Ionic

b)

Covalent

65.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
66.
Which of the following is NOT formed by a covalent bond?
a)
K2S
b)
H2O
c)
I2
d)
CO2
67.
What type of bond is shown in this image?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
68.

Compounds have _________________ properties, compared to the elements that form them.

a)

similar

b)

different

69.

How many atoms of hydrogen are in a sugar molecule with the formula C6H12O6

a)

12

b)

6

c)

24

d)

18

70.

Polar substances like water are good at dissolving ___________.

a)

other polar substances

b)

non polar substances

c)

all substances

d)

no substances

71.

Which of the following is true about Covalent (non-polar) bonds? (select ALL true options)

a)

High melting point

b)

Low melting point

c)

Can dissolve in water

d)

Cannot dissolve in water

e)

Can conduct electricity

72.

Conducts electricity well when melted or dissolved

a)

Ionic compounds

b)

Covalent compounds

73.

Poor electrical conductivity

a)

Ionic compounds

b)

Covalent compounds

74.

Always a solid at room temperature

a)

Ionic compounds

b)

Covalent compounds

75.

Can be a solid, liquid, or gas at room temperature

a)

Ionic compounds

b)

Covalent compounds

76.

Generally high melting & boiling points

a)

Ionic compounds

b)

Covalent compounds

77.

Generally low melting and boiling points

a)

Ionic compounds

b)

Covalent compounds

78.

What kind of bond does this show?

a)

Ionic

b)

Covalent

79.

sugar and water are polar molecules

a)

True

b)

False

80.

sugar dissolve in water because of

a)

the sugar molecules are heavy

b)

the sugar molecules are small and light

c)

The polar water molecules attract the negative and positive areas on the polar sucrose molecules

d)

the water a strong liquid

81.

positive particles attracts each other

a)

True

b)

False

82.

water molecule is made of

a)

2 oxygen atoms and 2 hydrogen atom

b)

2 hydrogen atoms and one oxygen atom

c)

2 Nitrogen atoms and one oxygen atom

d)

1 hydrogen atom and 1 oxygen atom

83.

What is an atom?

a)

the outer shell of electrons

b)

the smallest part of an element with that element's properties

c)

a positively charged particle with negative parts

d)

the center of a nucleus

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