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allochka39001 [22]
3 years ago
5

The order of elements in the periodic table is based on a. the number of protons in the nucleus. c. the number of neutrons in th

e nucleus. b. the electric charge of the nucleus. d. atomic mass.
Physics
2 answers:
umka21 [38]3 years ago
7 0
A. the number of protons in the nucleus!!!!!
Lana71 [14]3 years ago
3 0
Its based on the atomic number which equals the number of protons in the atomic nucleus of each element so i would say your answer is D. Atomic mass. 
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