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Bohr model and ions

Total questions: 53

Worksheet time: 40mins

Name
Class
Date
1.

Why do elements form bonds?

a)

to get a charge

b)

so they can make friends

c)

to become stable by getting a full valence shell

d)

to become stable by increasing their mass

2.

How many electrons would a Nitrogen ion gain/lose?

a)

lose 5

b)

gain 5

c)

lose 3

d)

gain 3

3.

How many electrons would a Calcium ion gain/lose?

a)

lose 1

b)

gain 1

c)

lose 2

d)

gain 2

4.

What is the ion formed from Sulfur?

a)

S+2

b)

S-2

c)

S+6

d)

S-6

5.

If an atom loses electrons, the charge will be positive.

a)

true

b)

false

6.

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

a)

Br-1

b)

Br+1

c)

Br+7

d)

Br-7

7.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
8.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
9.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
10.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
11.
Which particles change the charge in atoms when ions are formed?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Kittens
12.
What is the ionic symbol for a phosphorus atom?
a)
P-3
b)
P+3
c)
P-2
d)
P+2
13.
What will nitrogen's charge be as an ion (What is the charge of the nitride ion)?
a)
+3
b)
-3
c)
0
d)
-1
14.
How many total electrons does O-2 (an oxide ion) have?
a)
8
b)
10
c)
6
d)
18
15.
How many total electrons does Mg+2 (a magnesium ion) have?
a)
10
b)
12
c)
14
d)
22
16.
How many total electrons does Na+1 (a sodium ion) have?
a)
10
b)
11
c)
12
d)
22
17.
Negative ions (anions) form when neutral atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
18.
If an element has 3 valence electrons, what charge will its ion most likely have?
a)
+3
b)
+5
c)
-3
d)
-5
19.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
20.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
21.
Will a neutral phosphorus atom gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
22.
Will a neutral potassium atom gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
23.
Will a neutral neon atom gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
24.
How many electrons will a neutral sulfur atom gain to become stable?
a)
2
b)
6
c)
8
d)
3
25.

On the periodic table, Groups are

a)

Horizontal rows

b)

Vertical columns

26.

On the periodic table, Periods are

a)

Horizontal rows

b)

Vertical columns

27.

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

28.

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

a)

1

b)

2

c)

6

d)

8

29.

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

30.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

31.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

32.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

33.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

34.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

35.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

36.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

37.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

38.

How many valence electrons?

a)

2

b)

4

c)

6

d)

8

39.

What group does this element belong to?

a)

1

b)

2

c)

17

d)

18

40.

How many valence electrons?

a)

2

b)

5

c)

6

d)

8

41.

Elements in Group number 17 are known as

a)

Alkai Metals

b)

Alkaline Metals

c)

Halogens

d)

Noble Gases

42.

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

a)

Alkai Metals

b)

Alkaline Metals

c)

Halogens

d)

Noble Gases

43.

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)

44.

A __________ is a subatomic particle with a positive charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

45.

This is the location of electrons in an atom.

a)

nucleus

b)

protons

c)

orbitals

d)

neutrons

46.

How many valence (outer) electrons does an Oxygen atom have?

a)

2

b)

6

c)

8

d)

16

47.

A __________ is a subatomic particle with a negative charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

48.

What is the average atomic mass of Magnesium?

a)

12.011

b)

14.007

c)

22.990

d)

24.305

49.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

50.

In the molecule C6H12O6, how many hydrogen atoms are there?

a)

1

b)

6

c)

12

d)

24

51.

A __________ is a subatomic particle with a neutral charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

52.

If an atom of Phosphorus has 16 neutrons, what is it's mass number?

a)

15

b)

16

c)

30.974

d)

31

53.

Protons + Neutrons =

a)

the average atomic mass

b)

mass number

c)

number of electrons

d)

APE MAN

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