Question

a.what is isotope? b.what do u understand by atomic number? science​

Answer 1

╔┓┏╦━━╦┓╔┓╔━━╗╔╗

╔┓┏╦━━╦┓╔┓╔━━╗╔╗║┗┛║┗━╣┃║┃║╯╰║║║

╔┓┏╦━━╦┓╔┓╔━━╗╔╗║┗┛║┗━╣┃║┃║╯╰║║║║┏┓║┏━╣┗╣┗╣╰╯║╠╣

╔┓┏╦━━╦┓╔┓╔━━╗╔╗║┗┛║┗━╣┃║┃║╯╰║║║║┏┓║┏━╣┗╣┗╣╰╯║╠╣╚┛┗╩━━╩━╩━╩━━╝╚╝

Isotopes are atoms with the same number of protons but that have a different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, isotopes are elements with the same atomic number but different mass numbers.

Answer 2

Answer:

a) Isotopes are atoms of same element with same atomic number(Z) but different mass number(A).

b)The atomic number is the number of protons present in the nucleus of an atom.It is denoted by letter Z