Question

17. Why is atomic number considered to be a more appropriate parameter than atomic mass for the
dassification of elements in a periodic table? How does the metallic character elements vary as we
move (i) from left to right in a period, and (ii) top to bottom in a group in the modern periodic table?!
Give reasons to justify your answer?​

Answer 1

Answer:

because the atomic number remains constant but the atomic masses vary

Answer 2

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