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tensa zangetsu [6.8K]
3 years ago
11

How many neutrons of atomic mass is 31 and atomic number is 12

Chemistry
1 answer:
kogti [31]3 years ago
3 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

As we know, Number of protons = Atomic Number

So,

  • Number of protons = 12

And, Atomic mass = Number of protons + Number of Neutrons (N)

therefore ~

  • 31 = 12 + N

  • N = 31 - 12

  • N = 19

Number of Neutrons = 19

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