Assertion :According to Mendeleev, periodic properties of elements are the function of their atomic masses.
Reason : Atomic number is equal to the number of protons.
a)Both assertion and reason are true and reason is the correct explanation of assertion.
b)Both assertion and reason are true but reason is not the correct explanation of assertion.
c)Assertion is true but reason is false. d)Assertion is false but reason is true.
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Answered by
2
Answer:
it will be option a))
as atomic mass are not equal to protons..
Answered by
2
Answer:
fllw me and drop 20 thanks please
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