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Matter and Atoms

Total questions: 93

Worksheet time: 5hrs 37mins

Name
Class
Date
1.

Which term refers to two or more substances that are blended but are not chemically bonded?

a)

compound

b)

element

c)

mixture

d)

molecule

2.

What do we call a substance that consists of only one type of atom?

a)

Atom

b)

Element

c)

Compound

d)

Substance

3.

A mixture in which two or more substances are evenly mixed but are not bonded togather is?

a)

A homogeneous mixture.

b)

A heterogeneous mixture.

c)

A mixture.

d)

A solution.

4.

Which term refers to the region surrounding an atoms nucleus where one or more electrons are most likely to be found?

a)

electron cloud

b)

ion

c)

isotope

d)

proton

5.

Which term describes one of two or more atoms of an element having the same number of protons, but a different number of neutrons?

a)

atomic number

b)

ion

c)

isotope

d)

molecule

6.

Which describes the region at the centre of an atom that contains most of the mass of the atom?

a)

proton

b)

nucleus

c)

neutron

d)

electron

7.

Which of the following defines matter?

a)

Anything that has mass and takes up space.

b)

Anything that has density.

c)

Mass over volume.

d)

It doesn't matter.

8.

An element's atomic number gives us which of the following:

a)

Protons and neutrons

b)

Neutrons and electrons

c)

Protons and electrons

d)

Number of orbitals

9.

The mass number of an element gives us which of the following:

a)

Protons + Neutrons

b)

Protons + Electrons

c)

Electrons + Neutrons

d)

Jimmy + Neutron

10.

What is the BEST way to find the number of neutrons in an atom?

a)

Look at the atomic structure

b)

It is the same as the number of electrons

c)

Subtract the atomic number from the mass number

d)

Neutrons are not real

11.

Chlorine has an atomic number of 17 and has 18 neutrons. What is it mass number?

a)

35

b)

18

c)

17

d)

1

12.
The the smallest particle of an element that still has the element’s properties.
a)
proton
b)
neutron
c)
atom
d)
electron
13.
Pure substances—such as nickel, hydrogen, and helium—that make up all kinds of matter.
a)
element
b)
atom
c)
proton
d)
neutron
14.
These have a positive electric charge and are found in the nucleus of an atom.
a)
electron
b)
neutron
c)
proton
15.
These have a negative electric charge and move around outside the nucleus.
a)
electron
b)
proton
c)
neutron
16.
These are neutral in electric charge and are  found in the nucleus.
a)
electron
b)
proton
c)
neutron
17.
___ is a measure of the amount of matter in a substance or an object.
a)
Volume
b)
Density
c)
Mass
18.
This law states that matter cannot be created or destroyed.
a)
Law of Superposition
b)
Law of Gravity
c)
Law of Conservation of Mass
d)
Law of Stratigraphy
19.
Pure substances made up of only one type of atom that cannot be broken down into a simpler substance.
a)
Compounds
b)
Protons
c)
Nucleus
d)
Elements
20.
A substance formed by more than one type of atom.
a)
Compound
b)
Element
c)
Gas
d)
Molecule
21.
An organized table of all the elements (pure substances).
a)
Periodic Table 
b)
Atoms
c)
Compounds
d)
Molecules
22.

A solid turning into a liquid is:

a)

Vaporation

b)

Freezing

c)

Melting

d)

Deposition

e)

Sublimation

23.

A liquid turning into a solid is:

a)

Freezing

b)

Melting

c)

Condensation

d)

Sublimation

24.

A solid turning into a gas is:

a)

Melting

b)

Sublimation

c)

Condensation

d)

Deposition

25.

How many protons does this atom have?

a)

4

b)

5

c)

9

d)

13

26.

How many electrons are in the nucleus of this atom?

a)

0

b)

3

c)

6

d)

7

e)

4

27.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
28.
Gasoline is a ________________.
a)
liquid
b)
solid
c)
gas
29.
Sand is a ___________________.
a)
liquid
b)
solid
c)
gas
30.

What type of mixture is air (with smog) ?

a)

Homogeneous

b)

Heterogeneous

31.

What type of mixture is chocolate chip ice cream?

a)

Homogeneous

b)

Heterogeneous

32.

Which of the following are pure substances?

a)

Carbon dioxide (CO2)

b)

Milk

c)

Salt water

d)

Nitrogen (N2)

33.

Which of the following are mixtures?

a)

Sodium bicarbonate (NaHCO3)

b)

Steel (Fe + C)

c)

Salt water (NaCl + H2O)

d)

Gold (Au)

34.

Which of the following are evidences or a chemical change?

a)

Change of color (unintended)

b)

Change of shape

c)

Change of size

d)

Change of odor

35.

What is the main evidence that a chemical change has occured?

a)

Change of color

b)

Production of Bubbles

c)

Production of Fire

d)

A new substance is produced

36.

Which of the following are evidences of a physical change?

a)

Change of size

b)

Change of color

c)

Change of state of matter

d)

Change of odor

37.

What is the classification of physical properties?

a)

Uniform / Non uniform

b)

Intensive / Extensive

c)

Independent / Dependent

d)

There is no classification

38.

Which of the following are examples of intensive properties?

a)

Conductivity

b)

Mass

c)

Length

d)

Density

39.

Which of the following are examples of chemical properties?

a)

Conductivity

b)

Flammability

c)

Reactivity

d)

Malleability

40.

Which of the following are examples of chemical changes?

a)

Burning paper

b)

Cutting paper

c)

Iron rusting

d)

Wrinking paper

41.

Which of the following are physical changes?

a)

Cutting your hair

b)

Fruit rotting

c)

Water boiling

d)

Dropping an alka-seltzer in water

42.

Which of the following are extensive properties?

a)

Mass

b)

Volume

c)

Density

d)

Temperature

43.
Which of the following tells you that a chemical change may have occurred?
a)
Change Shape
b)
Melting
c)
Vaporizing
d)
Change in color
44.
What happens in ALL chemical changes?
a)
Change in state of matter
b)
A new substance is formed
c)
Bubbles are produced
d)
An explosion
45.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
46.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
47.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
48.
Is mold growing on cheese a physical or chemical change?
a)
Physical 
b)
Chemical
49.
Is making orange juice a physical or chemical change?
a)
Physical 
b)
Chemical
50.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
51.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
52.
The Law of Conservation of Mass tells us matter can't  ______________.
a)
change color
b)
change state of matter
c)
be created or destroyed
d)
change temperature
53.
Which of the following IS a clue that a chemical change has occurred? 
a)
State of matter change
b)
Size Change
c)
Change in temperature
d)
Shape change
54.

Which one of the following discoveries came first?

a)

electrons

b)

neutrons

c)

quarks

d)

atoms

55.

Rutherford and his students did experiments that showed

a)

quark

b)

nucleus

c)

proton

d)

electron

56.

Bohr discovered that electrons are located in

a)

the nucleus

b)

inside protons

c)

electron cloud

d)

circular orbits around the nucleus

57.

Which scientist discovered that the nucleus contained neutrons?

a)

bohr

b)

Rutherford

c)

Dalton

d)

Chadwick

58.

What is a particle with one negative charge called?

a)

electron

b)

proton

c)

quark

d)

neutron

59.

The smallest particle of an element that still represents that element.

a)

Nucleus

b)

electron

c)

proton

d)

atom

60.

What is a particle with one positive charge called?

a)

proton

b)

electron

c)

neutron

d)

quark

61.

What is the neutral particle found in the nucleus called?

a)

proton

b)

neutron

c)

electron

d)

quark

62.

What is the center of an atom called?

a)

nucleus

b)

electron cloud

c)

proton center

d)

photon center

63.

Which one of the following parts of the atom is the smallest?

a)

atom

b)

neutron

c)

quark

64.

Which one of the following parts of the atom is the smallest?

a)

electron cloud

b)

electron

c)

nucleus

65.

Which one of the following is the correct order of scientific contribution of the atom?

a)

Chadwick, Dalton, Bohr, Rutherford, Democritus,Thomson

b)

Thomson, Democritus,Rutherford, Bohr, Dalton ,Chadwick

c)

Dalton, Chadwick ,Bohr, Rutherford, Democritus,Thomson

d)

Democritus, Dalton, Thomson, Rutherford, Bohr, Chadwick

66.
Who discovered that the nucleus contains positively charged particles called protons?
a)
Ernest Rutherford
b)
James Chadwick
c)
Democritus
d)
Niels Bohr
67.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
68.
In Dalton's Atomic Theory, all elements consist of __________ that cannot be divided.
a)
Atoms
b)
Parts
c)
Molecules
d)
Hydrogen
69.
Which model is this?
a)
Thomson Model
b)
Cloud Model
c)
Bohr Model
d)
Rutherford Model
70.
Which model involved gold foil?
a)
Thomson Model
b)
Rutherford Model
c)
Cloud Model
d)
Bohr Model
71.
Which of these particles was discovered first?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Quarks
72.

Who was the Greek philosopher who called the smallest particle of matter as "atom"?

a)

Democritus

b)

Aristotle

c)

J.J Thompson

d)

Einstein

73.
Who is the scientist who proposed the "solar system" model of an atom where the electrons revolve around the nucleus?
a)
Dalton
b)
Niels Bohr
c)
Ernest Rutherford
d)
Democritus
74.
What did James Chadwick discover?
a)
neutrons
b)
electrons
c)
the atomic theory
d)
protons
75.
Which scientist developed the plum pudding/chocolate chip cookie model
a)
Dalton
b)
Thompson 
c)
Rutherford
d)
Democritus
76.
Which scientist saw the atom as a solid sphere?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
77.

Which of the following is/are conclusions based on Rutherford’s gold foil experiment?

a)

Atom is mostly empty space

b)

The nucleus is positively charged

c)

The atom has a small dense nucleus

d)

All answers are correct

78.

Developed an atomic theory of matter.

a)

Chadwick

b)

Millikan

c)

Rutherford

d)

Dalton

79.

Used cathode rays to experiment with atoms.

a)

Rutherford

b)

Dalton

c)

Thomson

d)

Millikan

80.

Used alpha particles to discover the nucleus

a)

Thomsan

b)

Becquerel

c)

Millikan

d)

Rutherford

81.
Who stated that all atoms of the same element are excacty alike?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Borh
82.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
83.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
84.

Who is accredited for naming the atom?

a)

Dalton

b)

Thomson

c)

Democritus

d)

Bohr

85.
Which experiment was performed by J. J. Thompson in 1897?
a)
Oil Drop Experiment
b)
Gold Foil Experiment
c)
Wave  Experiment
d)
Cathode Ray Experiment
86.
Who performed the Gold Foil Experiment?
a)
J. J. Thomson
b)
Ernest Rutherford
c)
Neils Bohr
d)
John Dalton
87.
Which model was proposed by Neils Bohr?
a)
Planetary Model
b)
Plum Pudding Model
c)
Quantum Mechanical Model
d)
Solid Ball Model
88.
Which scientist disagreed with the idea that atoms existed?
a)
Democritus
b)
Aristotle
c)
Rutherford
89.
He believed that all matter was continuous and that four basic elements existed (earth, wind, fire, water).
a)
Democritus
b)
Aristotle
c)
Chadwick
d)
Thomson
90.

Which scientist was the first to benefit from the Lavoisier's efforts to define pure substances in the 1700's?

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

91.
Determined that electron paths cannot be predicted and exist inside the Electron Cloud.
a)
Schrodinger & Heisenberg
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
92.
How many protons does an atom with an atomic number of 28 and a mass number of 40 have?
a)
28
b)
68
c)
12
d)
40
93.
The following element has _____________ electrons.
a)
114
b)
289
c)
175
d)
403

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