atomic structure & periodic table Flashcards
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1
Q
what is proton’s relative mass
A
1
2
Q
what is neutron’s relative mass
A
0
3
Q
what is electrons relative mass
A
very small
4
Q
what is proton’s relative charge
A
+1
5
Q
what is neutron’s relative charge
A
0
6
Q
what is electrons relative charge
A
-1
7
Q
what does the atomic number say
A
number of protons
8
Q
what does the number of electrons say
A
atomic number
9
Q
mass number
A
number of protons + number of neutrons
10
Q
atoms join together to make…
A
compounds
11
Q
mixtures are easily separated not like
A
compounds
12
Q
in chromatography what are they separates
A
mixtures
13
Q
in chromatography what line do you use
A
pencil
