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WorksheetsChemistry Rocks! Take 2
Total questions: 18
Worksheet time: 11mins
Name
Class
Date
1.
What is the chemical symbol for the element hydrogen
a)
H
b)
He
c)
h
d)
he
2.
What is the chemical symbol for the element Silicon
a)
S
b)
Si
c)
si
d)
Sl
3.
a)
Periods
b)
Groups
4.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
5.
a)
Metals
b)
Nonmetals
c)
Metalloids
6.
a)
Metals
b)
Nonmetals
c)
Metalloids
7.
a)
Metals
b)
Nonmetals
c)
Metalloids
8.
What does the number of proton tell us?
a)
electrons
b)
atomic number
c)
atomic mass
d)
neutrons
9.
What is the atomic mass?
a)
58.693
b)
28
10.
The subatomic particle with a neutral charge is:
a)
protons
b)
electrons
c)
neutrons
d)
cloud
11.
Which two subatomic particles are found in the NUCLEUS of at atom?
a)
protons & nuetrons
b)
protons & electrons
c)
neutrons & electrons
d)
electrons & protons
12.
What is the chemical symbol for Sodium?
a)
S
b)
So
c)
Na
d)
Ca
13.
Which element would follow the pattern: Sn, Ru, Rb?
a)
Zn
b)
Ge
c)
Tc
d)
Re
14.
Who arranged the periodic table of elements by the atomic mass (or mass number)?
a)
Democritus
b)
John Dalton
c)
Henry Moseley
d)
Dmitri Mendeleev
15.
Identify the unknown atom.
a)
Flourine
b)
Beryllium
c)
Boron
d)
Helium
16.
Everything is made up of little tiny things called _____
a)
compounds
b)
molecules
c)
atoms
d)
solids
17.
From the diagram, which particles are indicated with the arrow?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
photons and nucleons
18.
These particles orbit around the nucleus of an atom. What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
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