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Unit 1 MS-PS1-1

Total questions: 47

Worksheet time: 47mins

Name
Class
Date
1.

An electron has a ________ charge.

a)

Positive

b)

Negative

c)

No charge

2.

A proton has a __________ charge.

a)

Negative

b)

No Charge

c)

Positive

3.

A neutron has a __________ charge.

a)

Negative

b)

Postive

c)

No Charge

4.

A neutron has a __________ charge.

a)

Negative

b)

Postive

c)

No Charge

5.

How do you determine the number of electrons using the Periodic Table?

a)

Atomic Mass

b)

Atomic Matter

c)

Atomic Number

d)

All of the above

6.

How do you determine the number of protons using the Periodic Table?

a)

Atomic Number

b)

Atomic Mass

c)

Atomic Mass minus Atomic number

7.

How do you determine the number of neutrons using the Periodic Table?

a)

Atomic Mass minus Atomic Number

b)

Atomic Mass minus Atomic Name

c)

Atomic Number minus Atomic Mass

8.
Elements are made of 
a)
many types of atoms 
b)
the periodic table
c)
one type of atom 
d)
molecules 
9.
All matter is made of 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
10.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
11.
What is the basic unit of matter and is the smallest particle of an element?
a)
Atoms
b)
Elements
c)
Compounds
d)
Molecules
12.

Is NO2 an element or a molecule?

a)

element

b)

molecule

13.
How many atoms/elements are in CaCO3?
a)
3
b)
4
c)
5
d)
6
14.
How many atoms/elements are in NO2?
a)
1
b)
2
c)
3
d)
4
15.

Is CaCO3 an element or a molecule?

a)

element

b)

molecule

16.

Is K an element or a molecule?

a)

element

b)

molecule

17.

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

a)

groups

b)

towers

c)

periods

d)

atomic numbers

18.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
19.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
20.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
21.
The atoms we study in 6th grade are neutral, which means they have the same number of
a)
protons and electrons
b)
protons and neutrons
c)
electrons and neutrons
22.
What does the atomic mass tell you? 
a)
Basically,the number of electrons and protons
b)
The number of neutrons
c)
Basically, the number of protons and neutrons
d)
The number of protons.
23.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
24.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
25.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
26.

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

a)

groups

b)

families

c)

periods

d)

atomic numbers

27.
How many protons does this element have?
a)
40
b)
21
c)
20
d)
41
28.
The number of protons is equal to 
a)
the atomic number
b)
the number of neutrons
c)
the energy levels
d)
the periodic table groups
29.

What is the chemical symbol for sodium?

a)

S

b)

So

c)

Na

d)

K

30.

How many valence electrons do the atoms of elements in group 13 have (the Boron Group)?

a)

3

b)

5

c)

8

d)

13

31.

True or false: All elements in a family have the same number of valence electrons (except Helium and the transition metals).

a)

True

b)

False

32.

How many total electrons to xenon atoms have?

a)

8

b)

54

c)

131

d)

132

33.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
34.

How many valence electrons does Hydrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

35.

How many valence electrons does Magnesium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

36.

How many valence electrons does Phosphorus Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

37.

How many valence electrons does Aluminum Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

38.

How many valence electrons does Silicon Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

39.

How many valence electrons does Carbon Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

40.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
41.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
42.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
43.
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured...
a)
carbon
b)
nickel
c)
neon
d)
zinc
44.
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured...
a)
calcium
b)
sulfur
c)
aluminum
d)
boron
45.
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured...
a)
calcium
b)
magnesium
c)
bromine
d)
neon
46.
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured...
a)
oxygen
b)
magnesium
c)
bromine
d)
chlorine
47.
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured...
a)
lithium
b)
potassium
c)
bromine
d)
iron

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