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A radioactive nuclide that is used for geological dating has an atomic number of 19 and mass number 40. Which is the symbol of this nuclide?
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A radioactive nuclide that is used for geological dating has an atomic number of 19 and mass number 40. Which is the symbol of this nuclide?

A radioactive nuclide that is used for geological dating has an atomic number of 19 and-example-1
A radioactive nuclide that is used for geological dating has an atomic number of 19 and-example-1
A radioactive nuclide that is used for geological dating has an atomic number of 19 and-example-2
A radioactive nuclide that is used for geological dating has an atomic number of 19 and-example-3
A radioactive nuclide that is used for geological dating has an atomic number of 19 and-example-4
User Omar Ghorbel
by
8.4k points

2 Answers

3 votes

Answer:

C. 40/19 K

Step-by-step explanation:

User Jonathan Hanson
by
8.3k points
1 vote
The mass number goes on top, and the atomic number goes on bottom.
Therefore, the answer is C:
40
K
19

User Vikramaditya Gaonkar
by
7.8k points
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