WorksheetsParticle Model, Element, Compounds and the Periodic Table
Total questions: 27
Worksheet time: 19mins
Name
Class
Date
1.
How do materials change from one state of matter to another?
a)
They gain or lose energy
b)
They break appart
c)
The particles get stickyer
d)
They are magnetised to themselves
2.
Can Solids be compressed?
a)
No
b)
Yes
c)
Sometimes (it depends what it's made of)
d)
Generally no
3.
How do gases behave in a container?
a)
Cluster together
b)
form a solid
c)
They take the shape of their container
d)
leak out
4.
What sorts of things are made of particles?
a)
Everything in the universe
b)
Anything solid
c)
Water
d)
Most solids, liquids and gases.
5.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
6.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
7.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined
8.
Most of an atom's mass is found in the
a)
electrons.
b)
nucleus.
10.
How many electrons does a Copper atom have?
a)
63
b)
29
c)
92
d)
34
10.
How many electrons does a Copper atom have?
a)
63
b)
29
c)
92
d)
34
11.
How many neutrons does a Hydrogen atom have?
a)
1
b)
2
c)
3
d)
0
13.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
13.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
14.
Atomic mass - Atomic Number =
a)
protons
b)
neutrons
c)
electrons
d)
Average Mass
15.
An element is defined by its number of
a)
protons
b)
electrons
c)
neutrons
d)
protons + electrons
17.
Which of the subatomic particles is the lightest
a)
all have the same mass
b)
protons
c)
neutrons
d)
electrons
17.
Which of the subatomic particles is the lightest
a)
all have the same mass
b)
protons
c)
neutrons
d)
electrons
18.
What is the atomic mass of Neon?
a)
10
b)
20.18
c)
10.18
d)
30.18
19.
What does the 6 represent above the C
a)
Symbol
b)
Name
c)
Mass Number
d)
Atomic Number
20.
The mass after a physical change in a closed system, such as ice melting into water, stays the same
a)
True
b)
False
21.
the smallest particle of matter
a)
atom
b)
element
c)
molecule
d)
compound
22.
made up of two or more atoms chemically combined
a)
atom
b)
element
c)
molecule
d)
compound
23.
made up of two or more DIFFERENT atoms/elements chemically combined
a)
atom
b)
element
c)
molecule
d)
compound
24.
How many atoms/elements are in NO2?
a)
1
b)
2
c)
3
d)
4
26.
Is NO2 an element or a compound?
a)
element
b)
compound
26.
Is NO2 an element or a compound?
a)
element
b)
compound
27.
Molecule or Not? N2
a)
molecule
b)
not a molecule
100 %
