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UNIT II: ATOMIC STRUCTURE & PERIODIC TABLE

Total questions: 50

Worksheet time: 39mins

Name
Class
Date
1.

Which are of the following are subatomic particles. Select three:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

2.

The atomic number will tell me... (select three)

a)

Number of Protons

b)

Number of Electrons

c)

Number of Neutrons

d)

What element is it

3.

The nucleus of an atom contains which of the following subatomic particles: (Select two)

a)

protons

b)

Neutrons

c)

Electrons

d)

Shells

4.

2. Subatomic particles that have a negative charge

a)

electrons

b)

atoms

c)

protons

d)

neutrons

5.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
6.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
7.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
8.
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
9.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

10.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
11.
Which is an electron?
a)
A
b)
B
c)
C
12.
Which is a proton?
a)
A
b)
B
c)
C
13.
Which is a neutron?
a)
A
b)
B
c)
C
14.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
15.
An element with a mass number of 10 and an atomic number of 6 has how many protons?
a)
5
b)
8
c)
6
d)
10
16.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
17.

3. The number 16 for the atomic element sulfur is the

a)

ionic number

b)

atomic mass

c)

isotope

d)

atomic number

18.

What is Group 18 referred as?

a)

Halogens

b)

Alkaline

c)

Alkali

d)

Noble Gases

19.

What Element is H?

a)

Helium

b)

Hydrogen

c)

Hectogen

d)

Not enough information

20.

What is an element called if it has more or less neutrons than the stable version of the element?

a)

Isotope

b)

Ion

c)

Negative

d)

Positive

21.

Which particles contribute to the mass of an atom?

a)

How much space they take up

b)

Protons and Neutrons

c)

Electrons and Quarks

d)

Protons and Electrons

22.

How many neutrons are in this element?

a)

28

b)

14

c)

29

d)

42

23.

When building a Bohr Model, what is the MAXIMUM number of electrons you can have on the FIRST shell?

a)

1

b)

2

c)

8

d)

18

24.

What element is in Period 2 Group 4?

a)

Calcium

b)

Carbon

c)

Titanium

d)

Doesn't Exist

25.

When building a Bohr Model, what is the MAXIMUM number of electrons you can have on the SECOND shell?

a)

1

b)

2

c)

8

d)

18

26.

What is the element Symbol for Aluminum?

a)

A

b)

AL

c)

Al

d)

Am

27.

What is the atomic mass for Carbon? (Rounded)

a)

15

b)

13

c)

16

d)

12

28.

How many electrons are in Potassium?

a)

15

b)

19

c)

39.10

d)

30.97

29.

Which of the following elements are in Period 4?

a)

Lithium

b)

Beryllium

c)

Argon

d)

Calcium

30.

Use your periodic table. The element neon has

a)

10 protons, 20 neutrons, 12 electrons

b)

15 protons, 15 neutrons, 15 electrons

c)

0 protons, 0 neutrons, 0 electrons

d)

10 protons, 10 neutrons, 10 electrons

31.

The outermost electrons are called ______ electrons.

a)

nothing

b)

valence

c)

electron cloud

d)

energy levels

32.

Lanthanides and Actinides are part of groups 3-12 which are called ______ metals.

a)

transition

b)

alkali

c)

alkaline earth

33.

Use your periodic table. What element is in group 10, period 4?

a)

copper

b)

nickel

c)

cobalt

d)

palladium

34.

5. The group number equals?

a)

The number of energy levels

b)

The number of neutrons

c)

The number of protons

d)

The number of valence electrons

35.

Which element has a mass number greater than nitrogen, but less than neon?

a)

Oxygen

b)

Lithium

c)

Sodium

d)

Helium

36.

The electron is not included in the calculations for the atomic mass because

a)

It has negative charge

b)

It is located in the outer energy levels of the atom

c)

Its mass is basically zero

d)

It attracts neutral particles

37.
The number in the upper corner of an element tile (7 for nitrogen) is called _____
a)
the proton number
b)
the atomic number
c)
the electron number
d)
the mass number
38.
For an atom to be electrically neutral, it must contain the same number of _____
a)
protons and neutrons
b)
neutrons and electrons
c)
protons and electrons
d)
nucleons and electrons
39.
How many Neutrons are in one atom of Lithium?
a)
6.941
b)
7
c)
3
d)
4
40.
How many Electrons are in one atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
41.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

42.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
43.

The horizontal (side to side) rows in the Periodic Table are called

a)

groups

b)

families

c)

periods

d)

atomic numbers

44.

What period is Lead (Pb) in?

a)

6

b)

4

c)

Metals

d)

4A

45.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
46.

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

47.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
48.
How many electrons does a Copper atom have?
a)
63
b)
29
c)
92
d)
34
49.

what is the name of group number 2

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

50.

Which of the following is a Halogen?

a)

Bromine

b)

Rubidium

c)

Beryllium

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