Given the following isotopic forms of antimony and their percent abundance, calculate the average atomic mass of antimony with the correct number of significant figures. (submit your work) (Assume that the Mass number, the Atomic number, and the unit conversion factors are all infinite significant figures.)

c.

explanation:

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explanation:

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atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

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