alleryStart learning →Two atoms both have mass number 14 but 6 and 7 protons. They are?
AThe same element with unequal masses
BDifferent elements with equal atomic numbers
CDifferent elements with equal mass numbers
DThe same element with equal charges
Answer & Solution
Correct answer: C. Different elements with equal mass numbers
Different proton counts identify different elements even when their proton-plus-neutron totals agree.
Keep practising Atomic Structure
Browse all Atomic Structure questions for ICSE Class 8, or explore more Chemistry topics.
Related questions
What attracts electrons to the positively charged nucleus?Who discovered the neutron in 1932?Group R binds 2 H atoms; atom X binds 3 H atoms. Valencies R, X?Valency measures which property of an element?Which nucleus occurs in the commonest form of hydrogen?A nucleus contains protons and neutrons. Its charge is?Why can an atom with charged particles be neutral overall?Which pairing describes an electron in an ordinary atom?