How many electrons are present in the M-shell of an element with atomic number 20? A) 8 B) 6 C) 18 D) 2
How many electrons are present in the M-shell of an element with atomic number 20? A) 8 B) 6 C) 18 D) 2
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Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago