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Write the symbol for every chemical element that has atomic number less than 14 and atomic mass greater than 23.2 u.
that symbol less than atomic number 14 and greater than mass number 23.2 is mg
Answer from: Quest
Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.
Answer from: Quest
C) electrons encircling a nucleus with neutrons and protons
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Chemistry, 22.06.2019 09:30
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