
Concept explainers
Interpretation :
The name for the atoms having same
Concept Introduction :
The atomic number is the total number of protons pr electrons present in an atom while the mass number is the sum of the number of protons and neutrons present inside the nucleus of an atom.

Answer to Problem 1STP
Option C
Explanation of Solution
Reason for correct option:
The
Reasons for incorrect options:
A. Neutrons- Neutrons are the subatomic particles of the atoms which are present inside the nucleus.
B. Nucleons- Nucleons means a proton or neutron which is subatomic particles of the atom.
D. Alpha particles- Alpha particles are the radioactive particles consisting of the two protons and two neutrons that are bound tightly together inside a nucleus.
Chapter 19 Solutions
World of Chemistry
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