moriahslime moriahslime

12-03-2021
Chemistry

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dbr91202 dbr91202

12-03-2021

Answer:

the answer is 28.086amu

Explanation:

There are three isotopes of silicon. They have mass numbers of 28, 29 and 30. The average atomic mass of silicon is 28.086amu. sorry it took me so long.

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