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Unit 2 Chem: The Atom

Total questions: 103

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

What family is highlighted in the picture?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

2.

What family is highlighted in the picture?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

3.

What family is highlighted in the picture?

a)

Boron Group

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Lanthanides

4.

What family is yellow in the picture?

a)

Boron Group

b)

Carbon Group

c)

Transition Metals

d)

Noble Gases

5.

What family is dark purple in the picture?

a)

Boron Group

b)

Halogens

c)

Transition Metals

d)

Noble Gases

6.

What family is highlighted in the picture?

a)

Boron Group

b)

Halogens

c)

Transition Metals

d)

Noble Gases

7.

What family is highlighted in the picture?

a)

Lanthanides

b)

Actinides

c)

Transition Metals

d)

Halogens

8.

What family is highlighted in the picture?

a)

Lanthanides

b)

Actinides

c)

Transition Metals

d)

Halogens

9.

What are the majority of elements on the periodic table?

a)

Nonmetals

b)

Metals

c)

Metalloids

10.

What type of elements are red in the picture?

a)

Nonmetals

b)

Metals

c)

Metalloids

11.

What type of elements are green in the picture?

a)

Nonmetals

b)

Metals

c)

Metalloids

12.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
13.
Why were there blank spaces left in Mendeleev's periodic table?                                              
a)
He didn't know what to put there.
b)
 Undiscovered elements not yet known.
c)
Multiple elements could have fit
d)
He forgot to add the elements in.
14.
Who arranged the periodic table by increasing atomic number?
a)
Mendeleev
b)
Rutherford
c)
Bohr
d)
Mosely
15.

Another general name for the groups on the periodic table

a)

classes

b)

blocks

c)

cousins

d)

families

16.

UP and DOWN columns on the periodic table are

a)

groups

b)

periods

17.

SIDE TO SIDE rows on the periodic table are

a)

groups

b)

periods

18.

These elements are in a:

a)

group

b)

period

19.

These elements are in a:

a)

group

b)

period

20.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

21.

Isotopes have the same number of protons but different number of _________________

a)

neutrons

b)

protons

c)

electrons

d)

eyes

22.

Ions have the same number of protons but different number of _________________

a)

neutrons

b)

electrons

c)

protons

d)

toes

23.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

24.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

25.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

26.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

27.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

28.

What atomic particle determines the element?

a)

protons

b)

neutrons

c)

electrons

d)

nucleus

29.

What particle(s) are located in the nucleus?

a)

protons only

b)

neutrons only

c)

electrons only

d)

protons and neutrons

e)

protons and electrons

30.

What particle in the atom has no charge and a mass of 1?

a)

proton

b)

neutrons

c)

electrons

d)

ion

31.

What particle(s) have a charge?

a)

protons only

b)

electrons only

c)

protons and electrons

d)

electrons and neutrons

32.

(challenge) An atom has 10 protons and 10 electrons. What happens to the charge if you add 1 more electron?

a)

It becomes a negative ion

b)

It becomes a positive ion

c)

nothing changes

d)

It becomes a different element

33.

An atom of HELIUM has 2 protons. If you add 1 more proton, what happens?

a)

It becomes an ion

b)

It becomes a different kind of element

c)

Nothing

34.

Challenge: what is the mass of an atom with 2 protons, 2 neutrons, and 2 electrons?

a)

mass = 2

b)

mass = 4

c)

mass = 6

d)

mass = 8

35.

Challenge: What is the charge of an atom with 3 protons and 2 electrons?

a)

0 (neutral)

b)

+1

c)

-1

36.

The atomic number is the same as......

a)

the number of protons

b)

the number of electrons

c)

the number of neutrons

d)

the number of protons plus neutrons

37.

How many neutrons does lithium have?

a)

3

b)

4

c)

6

d)

7

38.

What is the atomic number of silicon?

a)

14

b)

28

c)

42

d)

7

39.

What is the best mass number for silver?

a)

47

b)

107

c)

108

d)

154

40.

How many neutrons does beryllium have?

a)

4

b)

5

c)

9

d)

13

41.

How many electrons does helium have?

a)

2

b)

4

c)

6

d)

8

42.

How do you find the number of neutrons in an atom?

a)

It's the same as the atomic #

b)

It's the same as the mass number

c)

Subtract the atomic # from the mass number

d)

Add the mass number and the atomic #

43.

JJ Thomson was credited for the discovery of the

a)

center of the universe

b)

proton

c)

electron

d)

neutron

44.

The atomic model associated with Thomson is the

a)

plum pudding model

b)

nuclear mode.

c)

planetary model

d)

the electron cloud model

45.

In what location did Rutherford suggest the electrons were located?

a)

in the nucleus.

b)

outside the nucleus.

c)

only where the alpha particles were deflected.

d)

outside the atom after they collided with the alpha particle.

46.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
47.

What contribution did John Dalton make to atomic theory? 

a)

He discovered that every atom was positively charged

b)

He discovered that every element consisted of one type of atom

c)

He discovered that atoms had a nucleus

d)

He discovered that atoms could be divided into smaller parts

48.

Rutherford discovered this part of the atom:

a)

Nucleus

b)

Neutron

c)

Proton

d)

Electron

49.

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

a)

Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

b)

JJ Thomson, John Dalton, Ernest Rutherford, & Democritus

c)

Democritus, John Dalton, JJ Thomson, Ernest Rutherford.

d)

John Dalton, JJ Thomson, Democritus, & Ernest Rutherford

50.

Which one of these is Dalton's Model?

a)
b)
c)
d)
51.

Why did Ernest Rutherford and his colleagues perform the Gold-Foil Experiment?

a)

They wanted to test and confirm the Plum-Pudding model

b)

They wanted to test John Dalton's Model

c)

They were looking for electrons

d)

They wanted to come up with their own Atomic Model

52.

Matter is conserved in a chemical reaction, where the mass of the atoms contained in the reactants before the reaction will be equal to the mass of the atoms formed in the products after the reaction is completed. This important discovery credited to Lavoisier is known as:

a)

The Law of Conservation of Matter

b)

The Law of Definite Composition

c)

The Third Law of Thermodynamics

d)

The Law of Ecological Balance

53.

Who was the Greek philosopher who first suggested that matter was composed of indivisible particles which he referred to as atomos?

a)

Dalton

b)

Democritus

c)

Einstein

d)

Plato

54.
Discovered the neutron
a)
Ernest Rutherford
b)
James Chadwick
c)
Joseph Thomson
d)
John Dalton
55.
Ernst Rutherford discovered which part of the atom through the use of gold foil?
a)
Proton
b)
Neutron
c)
Electron
d)
Orbitals
56.
A charged atom
a)
Ion
b)
Isotope
c)
Electron Cloud
d)
Quark
57.

Atoms of the same element with a different number of neutrons

a)

Ion

b)

alloy

c)

Isotope

d)

Quarks

58.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
59.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
60.

•What elementary particles are the building blocks for protons and neutrons?

a)

•Quarks

b)

• Leptons

c)

• Photons

d)

• Gluons

61.
Who drew on the work of Planck and Einstein to develop the planetary model of the atom?
a)
John Dalton
b)
Niels Bohr
c)
J. J. Thomson
d)
Ernest Rutherford
62.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
63.

Like particles _____ and opposite particles _____.

a)

attract, repel

b)

repel, attract

c)

move, stop

d)

stop, move

64.

The strong nuclear forces affects _____.

a)
The rotation of the Earth
b)
The gravitational pull of the Moon
c)
The particles in the atomic nucleus
d)
The speed of light
65.

What force cause repulsion between protons inside the nucleus?

a)

electric force

b)

gravitational force

c)

nuclear force

d)

magnetic force

66.

On which particles does the strong nuclear force act?

a)

protons only

b)

neutrons only

c)

protons and neutrons

d)

electrons and protons

67.
Calcium has three different isotopes. One has a mass of 35.00 amu; another has a mass of 41.00 amu; and another has a mass of 40.00 amu. Which isotope is the most abundant of the three?
a)
40.00 amu
b)
41.00 amu
c)
35.00 amu
d)
impossible to tell
68.
Atom 1 has Mass=12  Protons=6
Atom 2 has Mass= 14 Electrons=6
Are these atoms isotopes of each other or different elements?
a)
Different Elements - Mg & Si
b)
Different Elements - Ar & Ca
c)
Isotopes of Carbon
d)
Isotopes of Magnesium
69.
What is the name of the atom pictured here?
a)
Nitrogen
b)
Nitrogen-15
c)
Nitrogen-7
d)
Nitrogen-8
70.
Which of the following could have 82 neutrons?
a)
W-182
b)
Ta-181
c)
Cs-132
d)
Ba-138
71.
If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?  
I. 7735X  II. 7733X  III. 8137X  IV. 8135 X
a)
I and II
b)
III and IV
c)
I and IV
d)
I and III
72.

What element is this?

a)

Helium

b)

Boron

c)

Lithium

d)

Hydrogen

73.

What is the CHARGE of this element? (math)

a)

0

b)

+1

c)

-2

d)

+3

74.

what period would this element be in?

a)

2

b)

3

c)

5

d)

7

75.

what period would this element be in?

a)

2

b)

3

c)

4

d)

5

76.

what period would this element be in?

a)

8

b)

3

c)

4

d)

7

77.

K and Kr have the same number of energy levels?

a)

True

b)

False

78.

Mg and Ga have the same number of energy levels?

a)

True

b)

False

79.

P and Po have the same number of energy levels.

a)

True

b)

False

80.

H and He have the same number of energy levels.

a)

True

b)

False

81.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

82.

Horizontal (SIDE TO SIDE) rows on the periodic table are

a)

groups

b)

periods

83.

How many neutrons are in 1 atom of Carbon-13?

a)

6

b)

13

c)

7

d)

20

84.

How many neutrons are in an atom of Nitrogen-16?

a)

9

b)

7

c)

16

d)

20

85.

What is the difference between Neon-20 and Neon-22?

a)

They have different numbers of electrons.

b)

They have different numbers of neutrons.

c)

Only 1 is radioactive.

d)

No difference.

86.

Which is the correct symbol for Fluorine-18?

a)
b)
c)
d)
87.

How many protons are in this isotope?

a)

9

b)

21

c)

12

88.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
89.
which atom has  4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
90.
Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  Which isotope of lead is likely to be the most abundant.
a)
204
b)
206
c)
207
d)
208
91.

This ion has

a)

gained two electrons

b)

lost two electrons

c)

gained two protons

d)

lost two protons

92.

This ion has

a)

gained one electron

b)

lost one electron

c)

gained one proton

d)

lost one proton

93.

The negative sign in this symbol means

a)

there are more electrons than protons

b)

there are more protons than electrons

94.

This ion has

a)

gained two electrons

b)

lost two electrons

c)

gained two protons

d)

lost two protons

95.

The positive sign in this symbol means

a)

there are more protons than electrons

b)

there are more electrons than protons

96.

What is the name of group number 1?

a)

halogens

b)

noble gases

c)

alkali metals

d)

alkaline earth metals

97.

where are the metaloids found

a)

far left, vertical

b)

stair step/diagonal

c)

far right horizontal

d)

at the bottom

98.

What is the name of group number 2?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

99.

What group number are the halogens found?

a)

18 (8A)

b)

1

c)

2

d)

17 (7A)

100.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

101.

Which halogen is found in period 4?

a)

Krypton (Kr)

b)

Xenon (Xe)

c)

Bromine (Br)

d)

Iodine (I)

102.

Which color on the image of the periodic table corresponds with the halogens

a)

Black

b)

Red

c)

Blue

d)

Orange

103.

Which color on the image of the periodic table corresponds with the transition metals?

a)

Red

b)

Blue

c)

Black

d)

Orange

e)

Yellow

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