Social Studies
Social Studies, 10.09.2021 20:20, zyairemitchell44

Which of these elements has 12 protons in its nucleus (atomic number = 12)? What are the first 20 elements of periodic table - Science - Physical and Chemical Changes - 9807489 | Meritnation. com

A. Mg

B. S

D. C

D. He


Which of these elements has 12 protons in its nucleus (atomic number = 12)? What are the first 20

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