1
Q
WHAT ARE ISOTOPES?
A
Forms of a given element that differ in mass due to differences in the number of neutrons
2
Q
What is the mass number of
39
k
19
A
39!
3
Q
HOW DO YOU FIND MASS NUMBER?
A
of protons + # of neutrons
4
Q
HOW DO YOU FIND THE # OF NEUTRONS?
A
Mass number - atomic number
5
Q
WHAT ARE THE NAMES OF:
Hydrogen-1
Hydrogen-2
Hydrogen-3
A
Hydrogen
Deuterium
Tritium
Radioactivity
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