Chemistry, asked by ayeshakalwa6, 9 months ago

an isotopes of atomic mass of 25 has 13 neutron in it's nucleus what's it atomic number and the name and chemical symbol of element

Answers

Answered by raotd
1

Answer:

The atomic number of the element is 12 . Atomic number is the number of protons in the nuclei of all atoms of an element. The element with the atomic number 12 is magnesium. This is 25Mg , or magnesium-25, which can be abbreviated as Mg-25.

Explanation:

Answered by shreya12373
1

Answer:

The atomic number is

12

, which is the atomic number for magnesium.

Explanation:

The mass number of an isotope is the sum of the protons and neutrons in its atomic nuclei.

If we know the mass number

(

A

)

and the number of neutrons

(

N

)

, we can calculate the atomic number

(

Z

)

by subtracting the number of neutrons from the mass number.

A

N

=

Z

25

13

=

12

The atomic number of the element is

12

. Atomic number is the number of protons in the nuclei of all atoms of an element. The element with the atomic number 12 is magnesium.

This is

25

Mg

, or magnesium-25, which can be abbreviated as Mg-25.

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