Question

Q3. some elements in nature have
atoms with same atomic number but
different mass number. such atom of element are called..........

same element are called
Isotopes
Isobars
electronic configuraion
​

Answer 1

Answer:-

Some elements in nature have atoms with same aromic numbwr but different mass number is called Isotope.

Reason:-

Isotopes can be defined as those which have same aromic number but different atomic mass. In other words, they have same number of protons and electrons but number of neutrons is different.

For example:- Diuterium is an isotope of hydrogen. Both have 1 atomic number but their atomic mass is 2 and respectively.