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28-12-2021
Chemistry

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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 15.4 u.

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28-12-2021

Answer:

N, B, Be, C

Explanation:

N (Nitrogen) has 14.0067 B (Boron) has 10.81 Be (Beryllium) has 9 and C (Carbon) has 12

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