1) are mass number and neutron number the same ?
2)are atomic masses and neutron number the same ?

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Solution

Dear student!
Mass no. or atomic mass is the entire mass of nucleus of an atom as it contains both protons and neutrons while the electrons are mass less. So.
Mass number = no. of protons + no. of neutrons

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Similar questions

Statement 1: Elements having same atomic number cannot have different mass numbers.
Statement 2: Atomic number depends on the number of neutrons.

Nuclei with same number of protons but different number of neutrons are called ___.

Nuclei with same number of neutrons but different atomic number are called ___.

Nuclei with same mass number are called ___.

Question 07

Two atoms are said to be isobars if ?

(a) They have same atomic number but different mass number

(b) They have same number of electrons but different number of neutrons

(d) Sum of the number of protons and neutrons is same but the number of protons is different

Nuclei with the same number of protons but a different number of neutrons are called isobars

Nuclei with the same number of neutrons but a different atomic number are called isotopes

Nuclei with the same mass number are called isotones

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