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WorksheetsPeriodic/History
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Berylium has how many protons?
a)
3
b)
9
c)
4
d)
8
2.
What atom has 20 protons?
a)
Sulfur
b)
Calcium
c)
Molybedenum
d)
Fluorine
3.
Shaliah finds an atom with 18 protons. What atom did she find?
a)
Iodine
b)
Bromine
c)
Argon
d)
Neon
4.
What scientist created the periodic table?
a)
Marie Curie
b)
Dmitri Mendeleev
c)
Niels Bohr
d)
Gladys Mae West
5.
What is the charge of an electron?
a)
+1
b)
-1
c)
0
d)
+2
6.
What is the charge of a proton?
a)
+2
b)
+1
c)
0
d)
-1
7.
What is the charge of neutron?
a)
-1
b)
0
c)
+1
d)
+2
8.
What element did the Frenchman discover in the Mendeleev video?
a)
Thorium
b)
Galium
c)
Einsteinium
d)
Rubidium
9.
How many protons does Magnesium have?
a)
8
b)
12
c)
3
d)
14
10.
Atoms are made out of:
a)
proteins, electricity, and neutrinos
b)
popcorn, eggs, and nachos
c)
protons, electrons, and neutrons
d)
positrons, electrinos, and neutrinos
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