Problem 21.9 Indicate the number of protons and neutrons in the following nuclei

Question

Problem 21.9

Indicate the number of protons and neutrons in the following nuclei.

Part A

5624Mn

Express your answers as integers separated by a comma.

56,24

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Part B

193Tl

Express your answers as integers separated by a comma.

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Part C

argon-38

Express your answers as integers separated by a comma.

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Problem 21.9

Indicate the number of protons and neutrons in the following nuclei.

Part A

5624Mn

Express your answers as integers separated by a comma.

protons, neutrons =

56,24

SubmitMy AnswersGive Up

Incorrect; Try Again

Part B

193Tl

Express your answers as integers separated by a comma.

protons, neutrons =

SubmitMy AnswersGive Up

Part C

argon-38

Express your answers as integers separated by a comma.

protons, neutrons =

SubmitMy AnswersGive Up

Explanation / Answer

mass number = protons + neutrons

then

56;24Mn protons = 24, neutrons = 56-24 = 22

193Tl

Tl has Z = 81 then, 81 protons

neutrons = 193-81 = 112 neutrons

C

Ar = Z = 18 protons

so

neutrons = 38-18 = 20

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