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ujusdied3912
02.12.2021 •
Chemistry
Earthquakes and volcanoes are most likely to occur along a
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Ответ:
The correct answer is Option C.
Explanation:
Atomic number is defined as the number of protons or number of electrons present in a neutral atom. It is represented as Z.
Z = Atomic number = Number of electrons = Number of protons
Mass number is defined as the sum of number of protons and number of neutrons present in an atom. It is represented as A.
A = Mass number = Number of protons + Number of neutrons
For Example: Taking potassium and calcium elements
Number of protons in potassium element = 19
Number of neutrons in potassium element = 20
Number of electrons in potassium element = 19
Number of protons in calcium element = 20
Number of neutrons in calcium element = 20
Number of electrons in calcium element = 20
Neutron number can be same for any two elements.
Hence, the correct answer is Option C.