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Worksheetsatoms element and compounds by gabriel
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A nucleus
d)
A molecule
2.
What needs to occur in order for elements to form a compound?
a)
An elemental reaction
b)
An atomic reaction
c)
An electric reaction
d)
A chemical reaction
3.
What is the chemical symbol for the element Nitrogen
a)
Ni
b)
N
c)
No
d)
Nb
4.
In an atom, what is the number of protons equal to?
a)
The number of electrons
b)
The number of molecules
c)
The number of neutrons
d)
The number of nucleii
5.
How many elements are on the periodic table?
a)
53
b)
116
c)
200
d)
160
6.
What is the name of this element?
a)
K
b)
Potassium
c)
39.098
d)
19
7.
what is the first element on the periodic table
(a)
8.
name three non-metals
a)
chlorine
b)
gallium
c)
helium
d)
bromine
e)
silycon
9.
what charge is a proton
a)
does not have one
b)
-1
c)
+1
d)
0
10.
which of these elements is a metal
a)
none of the above
b)
bromine
c)
iodine
d)
platinum
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