shishi1327 shishi1327

14-10-2021
Chemistry

contestada

What are the atomic numbers of elements whose outermost electrons are represented by (1) 3s^2 (2)2s^2 2p^3 (3) 3s^2 3p^5.

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JoshEast JoshEast

14-10-2021

Answer:

1) 3s² - Magnesium 12

2)2s² 2p³ - Nitrogen 7

3) 3s² 3p⁵ - Chlorine 17

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