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Worksheets

Bohr Models

Total questions: 50

Worksheet time: 36mins

Name
Class
Date
1.

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

2.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

3.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

4.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

5.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

6.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

7.

How many protons are in an atom of Carbon?

a)

5

b)

6

c)

7

d)

8

8.

Which part of the atom has a positive charge?

a)

Proton

b)

neutron

c)

electron

9.

Which subatomic particle identifies an element?

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

10.

How many protons are in an atom of Phosphorus, P?

a)

30

b)

15

c)

16

d)

31

11.

How many energy levels does this element have?

a)

2

b)

5

c)

3

d)

1

12.

Is this model correct for Carbon, C?

a)

Yes

b)

No

13.

How many protons are in an atom of Calcium, Ca?

a)

2

b)

20

c)

12

d)

40

14.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
15.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

16.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
17.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
18.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
19.
an element will always have the same number of 
a)
neutrons
b)
protons
c)
isotopes
d)
atoms
20.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
21.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

22.

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

23.

What is the mass number of this atom of Chlorine?

a)

17

b)

18

c)

35

d)

35.453

24.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
Electrons and megatrons
25.

What is a Bohr Model?

a)

a simplified representation of an atom

b)

vertical column in periodic table

c)

horizontal row in periodic table

d)

Only shows the element symbol and it's outer most electron shell

26.

Which element does this Bohr model represent?

a)

Aluminum

b)

Silicon

c)

Magnesium

d)

Cobalt

27.

What is the mass of this atom?

a)

9

b)

10

c)

19

d)

28

28.

What element does this Bohr model represent?

a)

Chromium

b)

Magnesium

c)

Carbon

d)

Krypton

29.

Which Element is this?

a)

Hydrogen (H)

b)

Helium (He)

c)

Lithium (Li)

d)

Beryllium (Be)

30.

Which Element is this?

a)

Hydrogen (H)

b)

Helium (He)

c)

Lithium (Li)

d)

Neon (Ne)

31.

Which Element is this?

a)

Carbon (C)

b)

Nitrogen (N)

c)

Lithium (Li)

d)

Beryllium (Be)

32.

Which Element is this?

a)

Carbon (C)

b)

Fluorine (F)

c)

Boron (B)

d)

Beryllium (Be)

33.

Which Element is this?

a)

Carbon (C)

b)

Fluorine (F)

c)

Boron (B)

d)

Sodium (Na)

34.

Which Element is this?

a)

Carbon (C)

b)

Magnesium (Mg)

c)

Beryllium (Be)

d)

Sodium (Na)

35.

Which Element is this?

a)

Lithium (Li)

b)

Boron (B)

c)

Silicon (Si)

d)

Nitrogen (N)

36.

Which Element is this?

a)

Lithium (Li)

b)

Boron (B)

c)

Oxygen (O)

d)

Carbon (C)

37.

Which Element is this?

a)

Potassium (K)

b)

Fluorine (F)

c)

Nitrogen (N)

d)

Neon (Ne)

38.

Which Element is this?

a)

Calcium (Ca)

b)

Fluorine (F)

c)

Potassium (K)

d)

Neon (Ne)

39.

Which Element is this?

a)

Vanadium (V)

b)

Boron (B)

c)

Sodium (Na)

d)

Magnesium (Mg)

40.

Which Element is this?

a)

Helium (He)

b)

Chromium (Cr)

c)

Carbon (C)

d)

Magnesium (Mg)

41.

Which Element is this?

a)

Cobalt (Co)

b)

Nitrogen (N)

c)

Silicon (Si)

d)

Aluminum (Al)

42.

Which Element is this?

a)

Nitrogen (N)

b)

Nickel (Ni)

c)

Silicon (Si)

d)

Aluminum (Al)

43.

Which Element is this?

a)

Oxygen (O)

b)

Sulfur (S)

c)

Phosphorus (P)

d)

Gallium (Ga)

44.

Which Element is this?

a)

Oxygen (O)

b)

Sulfur (S)

c)

Phosphorus (P)

d)

Germanium (Ge)

45.

Which Element is this?

a)

Chlorine (Cl)

b)

Bromine (Br)

c)

Argon (Ar)

d)

Fluorine (F)

46.

Which Element is this?

a)

Zirconium (Zr)

b)

Oxygen (O)

c)

Argon (Ar)

d)

Titanium (Ti)

47.

Protons have a (a)   charge.

48.

Subatomic particle with a negative charge and negligible mass.

a)

Proton

b)

Neutron

c)

Electron

49.

Which two subatomic particles contribute to Atomic Mass?

a)

Proton

b)

Neutron

c)

Electron

50.

Number of protons and electrons for a neutral element (no charge).

a)

Atomic Number

b)

Atomic Mass

c)

Atomic Symbol

d)

Element Name