reganshrader reganshrader

27-02-2020
Chemistry

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This element is a metalloid of Group IV. It has valence electrons on the third energy level. Its name is , symbol. Its atomic number is and its mass number is . This element has _ neutrons.

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ednorobello92 ednorobello92

27-02-2020

Answer: 4 valence electrons, Silicon, Si, 14, 28.0855, 14

Explanation:

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