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chemistry 2

Total questions: 83

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Matter is anything that.....

a)

Has mass and takes up space

b)

Has mass and is visible

c)

Takes up space and has energy

d)

Has energy and is visible

2.
Matter is anything that takes up space
a)
True
b)
False
3.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
4.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
5.
a)

Solid

b)

Liquid

c)

Gas

6.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
7.

A type of matter that has its own shape and size

a)

soild

b)

liquid

c)

gas

8.
What can causes ice to transform from a solid to a liquid?
a)
The air.
b)
The cold.
c)
Shape
d)
Heat
9.
Temperature is a measure of the average ______ energy of the particles in the object. 
a)
thermal
b)
kinetic
c)
potential
d)
chemical
10.
The heavier a particle, the ____ it moves. 
a)
slower
b)
faster
c)
less
d)
more
11.
Which state of matter will hold its shape without a container?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
12.
The kinetic theory states that the higher the temperature, the faster the 
a)
particles that make up a substance move
b)
bonds between atoms break down
c)
molecules of gas rush together
d)
lighter particles within a substance clump together
13.
The change of a substance from a solid directly to a gas is called
a)
condensation
b)
evaporation
c)
melting
d)
sublimation
14.
Evaporation refers to the change of state from a 
a)
liquid to a gas
b)
gas to a liquid
c)
solid to a liquid
d)
liquid to a solid
15.

Diffusion occurs because

a)

molecules are attracted to one another

b)

molecules are constantly moving in and out

c)

cellular energy forces the molecules to collide with each other

d)

cellular energy pumps molecules across the membrane

16.
During diffusion
a)
substances (things) moves from high to low concentration
b)
water moves when energy is used
c)
large or oddly shaped molecules move across a cell membrane
d)
water moves from high to low concentration
17.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
18.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
19.

What does semi-permeable mean?

a)

Some molecules can move through the membrane

b)

Nothing can move through the membrane

c)

All molecules can pass through the membrane.

20.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
21.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
22.

The atomic number tells you...

a)

the number of protons

b)

the number of neutrons

c)

the number of electrons

23.

What charge do electrons have?

a)

Positive

b)

Neutral

c)

Negative

24.

How many electrons can the third shell have?

a)

Two

b)

Eight

c)

Five

d)

Three

25.

Which two particles are contained in the nucleus of an atom?

a)

Protons and Neutrons

b)

Protons and Electrons

c)

Electrons and Neutrons

26.

How many electrons per shell does calcium have?

a)

2,8,8,2

b)

2,8,10

c)

2,8,2,8

d)

2,1,8,2

27.

Which element has 2,5 electrons per shell?

a)

Oxygen

b)

Nitrogen

c)

Phosphorus

d)

Carbon

28.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
29.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

30.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
31.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
32.

True or False: Radioisotopes in medicine are used for both diagnosis and treatment.

a)

True

b)

False

33.

Select the two types of mixtures

a)

heterogeneous

b)

solutions

c)

homogeneous

d)

mixtures

34.

What is the chemical symbol for carbon?

a)

C

b)

Ca

c)

Cn

d)

Crn

35.

Molecules bonded together make up atoms.

a)

true

b)

false

36.

What is the atomic mass of this element?

a)

20

b)

60

c)

40

d)

41

37.

What is the symbol of this element?

a)

Calcium

b)

P

c)

Ca

d)

C

38.

protons

a)

negative charge, nucleus

b)

positive charge, shells

c)

positive charge , nucleus

d)

neutral charge, nucleus

39.

neutrons

a)

no charge, shells

b)

positive charge, nucleus

c)

neutral, no charge, nucleus

d)

negative charge, shells

40.

electrons

a)

no charge, nucleus

b)

positive charge, nucleus

c)

negative charge, shells

d)

negative charge, nucleus

41.
The characteristics or properties of metals include
a)
shiny and solid
b)
ductile and malleable
c)
lose electrons
d)
all of the above
42.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
43.

A molecule is

a)

a singular particle of a particular element

b)

another name for an element

c)

2 or more atoms that are combined

44.

A pure substance that is a compound is made out of

a)

particles of more than one type of atom

b)

particles of the same type of atom

c)

a mixture of two or more substances that can be physically separated

45.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

15

d)

18

46.

True or False? Neutrons have a negative charge

a)

True

b)

False

47.
A _________ is a substance made of two or more DIFFERENT elements chemically combined. 
a)
mixture
b)
compound
c)
substance 
48.
A mixture can be separated by ________ means. 
a)
physical
b)
chemical
49.

What is the smallest 'building block' of the elements that make up the universe?

a)

An atom

b)

An electron

c)

A proton

d)

A cell

50.

An atom of carbon has 6 protons and 7 neutrons in its nucleus. If the atom is neutral, how many electrons does it have?

a)

0

b)

7

c)

6

d)

13

51.

The number of protons in the nucleus of an atom?

a)

Isotope

b)

Atomic mass

c)

Atomic number

d)

Element

52.

What type of bond is formed when atoms share electrons?

a)

Covalent

b)

Ionic

c)

Hydrogen

d)

Polyatomic

53.

How are ionic and covalent bonds alike?

a)

They both form organic molecules.

b)

They both fill outer electron shells.

c)

They both transfer electrons from one atom to another.

d)

They both transfer protons from one atom to another.

54.

The substance being dissolved is called the ________

a)

solvent

b)

solid

c)

solute

d)

solvate

55.

When no more solute dissolves the solution is _________

a)

supersaturated

b)

unsaturated

c)

saturated

d)

supercalifragilisticexpialidocious

56.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
57.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
58.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
59.
This type of mixture contains two or more substances that are visibly distinguishable. 
a)
homogeneous
b)
heterogeneous
c)
solution
d)
colloid
60.
Olive Oil
a)
Heterogeneous  mixture
b)
Homogeneous mixture
61.

A mixture with more solute dissolved in the solvent than is usually soluble is called:

a)

concentrated

b)

supersaturated

c)

saturated

d)

unsaturated

62.

What is a crystal?

a)

A pure material that can’t be changed.

b)

Material with a regular,repeating arrangement of atoms.

c)

A foggy like material.

63.
What is the kind of bond between two non metals called?
a)
Ionic
b)
Covalent
c)
Lattice
d)
Metallic
64.

Which has weak intermolecular forces in between layers?

a)

graphite

b)

diamond

c)

fullerene

d)

none of these

65.
Conduct electricity
a)
diamond
b)
graphite
c)
both
66.

Each carbon atom joined to three other carbon atoms -

a)

diamond

b)

graphite

c)

both

67.

Which of these allotropes have high melting point?

a)

diamond

b)

graphite

c)

both

68.

Which of these is used as a lubricant?

a)

diamond

b)

graphite

69.

Which of this is used in drill bits?

a)

diamond

b)

graphite

c)

SiO2

70.

_____ can conduct electricity because it has _____ _____

a)

diamond

b)

graphite

c)

localised electrons

d)

delocalised electrons

71.

Allotropes of carbon have the same chemical properties because they have

a)

the same number of electrons

b)

the same number of valence electrons

c)

different number of electrons

d)

the same number of protons

72.

Graphite is soft because

a)

it has strong covalent bonds

b)

its layers can slide over one another due to weak forces between the layers

c)

it has weak van der Waals forces between layers

d)

it is used as a lubricant

73.

Diamond is used for cutting glass because it is

a)

hard and strong

b)

soft

c)

shiny

d)

unreactive

74.

Why is diamond hard and strong? It has

a)

weak intermolecular forces

b)

weak covalent bonds

c)

strong covalent bonds

d)

van der Waals forces of attraction

75.

The atomic number tells you...

a)

the number of protons

b)

the number of neutrons

c)

the number of electrons

76.

What is the electronic configuration of Lithium?

a)

2.8.8

b)

2.2.2

c)

2.8.5

d)

2.1

77.
Good conductor of heat
a)
Metal
b)
Nonmetal
78.

Name the metal which is in liquid state.

a)

Iron

b)

Mercury

c)

Zinc

d)

Aluminium

79.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
80.
What does ductile mean?
a)
electricity flows easily
b)
quacks like a duck
c)
can be drawn into a wire
d)
able to bend
81.

Which color identifies as the group non-metals?

a)

neither color

b)

blue

c)

red

d)

yellow

82.

Pots and pans are made of metals. Metals are ____ conductors of heat.

a)

Good

b)

Poor / Bad

83.

Non-metals are ___ conductors of heat.

a)

Good

b)

Poor / Bad

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