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WorksheetsSTRUKTUR ATOM F4
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
2.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
3.
a)
Nucleus, positive
b)
Nucleus, negative
c)
Nucleus, neutral
d)
Electron Cloud, positive
4.
Oxygen’s atomic number is 8. This means that an oxygen atom must have
a)
8 electrons
b)
8 protons
c)
8 neutrons
d)
a mass number of 8
5.
Thompson was the first to discover a subatomic particle - the electron. What are the others?
a)
neutrons & positrons
b)
protons & neutrons
c)
positrons & quarks
d)
protons & positrons
6.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
7.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
8.
What is the atomic number/proton number of the atom pictured?
a)
11
b)
12
c)
22
d)
23
9.
What is the atomic mass/nucleon number of the atom pictured?
a)
11
b)
12
c)
22
d)
23
10.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
11.
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
12.
Chemical symbol for sodium
a)
So
b)
No
c)
S
d)
Na
13.
Chemical formula for carbon dioxide
a)
CO
b)
CO2
c)
CO3
d)
C2O
14.
Name this compound MgCl2
a)
magnesium chlorine
b)
chlorine magnesium
c)
magnesium chloride
d)
magneium chlorate
15.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
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