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10-09-2021
Social Studies

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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

Question 10 options:

Mg

S

C

He

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 98 class=

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Rezman456 Rezman456

13-09-2021

Answer:

He =12

Explanation:

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