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8897
0
120
block

Match the 2 definitions

Match the text (click and drag)   

(0/0)




Match the text

Atomic number

Mass number

Click and drag

the number of protons in the nucleus of an atom.

the total number of protons and neutrons in the nucleus


8892
0
120
none
8904
0
60
none
8901
0
30
none
8899
0
300
none
8890
0
120
none
8902
0
60
none
8894
0
30
none
8891
0
120
none
8895
0
30
none
8903
0
60
none
8896
0
120
none
8900
0
30
none
8898
0
120
none
8893
0
30
none