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There are four parts to this question.
The first three are isotopes of hydrogen:
http://www.thechembook.com/wiki/index.php/Isotopes 
Protium -->  1H = hydrogen-1
Deuterium -->  2H = hydrogen-2
Tritium --> 3H = hydrogen-3
Copper --> 64Cu = copper-64

There are four parts to this question.

The first three are isotopes of hydrogen:

http://www.thechembook.com/wiki/index.php/Isotopes 

Protium -->  1H = hydrogen-1

Deuterium -->  2H = hydrogen-2

Tritium --> 3H = hydrogen-3

Copper --> 64Cu = copper-64