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Atoms, Bohr Models, Periodic Table Review

Total questions: 50

Worksheet time: 28mins

Name
Class
Date
1.

On the periodic table, Groups are

a)

Horizontal rows

b)

Vertical columns

2.

On the periodic table, Periods are

a)

Horizontal rows

b)

Vertical columns

3.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

4.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

5.

What does the Bohr Model represent?

a)

The structure of molecules

b)

The structure of the Solar System

c)

The structure of an atom

d)

The structure of East Hills

6.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

7.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

8.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

9.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

10.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

11.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

12.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

13.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

14.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

15.

How many valence electrons?

a)

2

b)

4

c)

6

d)

8

16.

What group does this element belong to?

a)

1

b)

2

c)

17

d)

18

17.

How many valence electrons?

a)

2

b)

5

c)

6

d)

8

18.

Elements in Group number 17 are known as

a)

Alkai Metals

b)

Alkaline Metals

c)

Halogens

d)

Noble Gases

19.

Which group includes non-reactive gasses that have a full outer electron shell?

a)

Alkai Metals

b)

Alkaline Metals

c)

Halogens

d)

Noble Gases

20.

Which group includes soft, highly reactive metals with one electron in their outer shell?

a)

Alkai metals (group 1)

b)

Alkaline metals (group 2)

c)

Halogens (group 17)

d)

Noble gasses (group 18)

21.

Mendeleev was the first person to arrange the elements into a table. How did he arrange the rows?

a)
alphabetical 
b)
density
c)
melting point
d)
atomic mass
22.

Which of the following will have similar properties?

a)

O, S, Se

b)

O, F, Ne

c)

N, Ne, Na

d)

H, K, P

23.

Moseley arranged what we know as the "modern periodic table". How did he arrange it?

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

24.
Each column in the periodic table is called a _________ .
a)
period
b)
group
c)
cluster
d)
unit
25.

How many periods are on the periodic table?

a)

5

b)

6

c)

7

d)

8

26.

Elements in the same group have : (2 correct answers)

a)

Similar chemical properties

b)

Similar names

c)

Same number of outer (valence) electrons)

d)

The same number of protons

27.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
28.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
29.

Name this group: These metals contain familiar metals such as gold, iron, and copper.

a)
b)
c)
d)
30.

Find an element with similar chemical properties to Barium (Ba).

a)

Ca an Ra, because they are in the same group and have similar chemical properties.

b)

Cs and La, b/c they are in the same period number.

c)

Ca and Y, b/c they are 90 degree angle and have similiar properties.

31.

The blue elements (left side) are called 

a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
32.

The yellow elements (right side) are called 

a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
33.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
34.

What do the periods (rows) represent?

a)

an additional energy level

b)

an additional proton

c)

an additional group

d)

an additional electron

35.

What particles are atoms made of? (Check ALL that apply:)

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

36.

What particles are in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

37.

Which particle is outside the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

38.

Which two particles have mass?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

39.

Protons are:

a)

Positive

b)

Neutral

c)

Negative

40.

Neutrons are:

a)

Positive

b)

Neutral

c)

Negative

41.

Neutrons are:

a)

Positive

b)

Neutral

c)

Negative

42.

Electrons are:

a)

Positive

b)

Neutral

c)

Negative

43.

How many valence electrons in this diagram:

a)

1

b)

3

c)

5

d)

7

44.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

45.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

46.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
47.
What particle uniquely identifies an element?
a)
Number of Valence Electrons
b)
Number of Protons
c)
Number of Electrons
d)
Atomic Mass
48.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
49.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
50.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8

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