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Atoms/ Periodic table

Total questions: 33

Worksheet time: 23mins

Name
Class
Date
1.

How many elements are on the periodic table?

a)

114

b)

108

c)

118

d)

63

2.

Which subatomic particle has a positive charge?

a)

electron

b)

nucleus

c)

neutron

d)

proton

3.

An atoms is made up of how many subatomic particles?

a)

1

b)

3

c)

4

d)

2

4.

What subatomic particle has no charge?

a)

electron

b)

atom

c)

neutron

d)

proton

5.

Atoms have what type of charge?

a)

neutral

b)

positive

c)

negative

d)

all of the above

6.

The number of protons are _________ to the number electrons.

a)

greater than

b)

less than

c)

equal to

7.

Electrons with _____ energy move near the nucleus and electrons with ____ energy are farther from the nucleus.

a)

higher, lower

b)

lower, lower

c)

lower, higher

d)

none of the above

8.

Protons and neutrons weigh about what mass.

a)

1 gram

b)

2 amu

c)

1 kilogram

d)

1 amu

9.

The atomic number is the

a)

protons plus neutrons

b)

neutrons only

c)

protons only

d)

protons and electrons

10.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
11.
The atomic mass of Silicon is
a)
28
b)
27
c)
26
d)
25
12.
The atomic mass of Aluminium is
a)
27
b)
23
c)
22
d)
26
13.
The atomic mass of Zinc is
a)
65
b)
64
c)
63
d)
62
14.
What is the mass number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
15.
What is the mass number of this atom?
a)
9
b)
10
c)
19
d)
27
16.

What is the atomic mass of this atom?

a)

1

b)

3

c)

4

d)

7

17.
How many neutrons does  Fluorine-19 contain?
a)
9
b)
19
c)
10
18.
How many protons does Fluorine-19 contain?
a)
9
b)
19
c)
10
19.
How many neutrons does the isotope below have?     89 36Kr
a)
53
b)
36
c)
89
d)
125
20.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
21.
What is the name of the pictured isotope?
a)
Chlorine-Schmorine
b)
Chlorine-17
c)
Chlorine-35
d)
Chlorine-18
22.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
variables
d)
electron cloud
23.
What is the atomic number of Barium? (enlarge the periodic table)
a)
20
b)
38
c)
56
d)
88
24.
How many protons are in a sodium atom? (tap to enlarge the periodic table)
a)
Sodium has 1 proton.
b)
Sodium has 3 protons.
c)
Sodium has 11 protons
25.
How did Mendeleev arrange the elements?
a)
alphabetical 
b)
density
c)
melting point
d)
atomic mass
26.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
27.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
28.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
29.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
30.
Why do some elements have 3 letter chemical symbols?
a)
There are no elements with 3 letter symbols
b)
They are named after scientists
c)
They are named after places
d)
They have a temporary name until scientists agree on a new name.
31.
An atoms overall charge is 
a)
positive 
b)
depends on its mood 
c)
neutral 
d)
negative 
32.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
33.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5

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