Question

20. Complete the following sentences choosing the correct
word or words from those given in brackets at the
end of each sentence :
(1) The properties of the elements are a periodic
function of their
(atomic number, mass
number, relative atomic mass).
(1) Moving across a of the Periodic Table the
elements show increasing character (group.
period, metallic, non-metalic).
(1) The elements at the bottom of a group would be
expected to show_ metallic character than
the element at the top (less, more).
(iv) The similarities in the properties of a group of
elements are because they have the same
(electronic configuration, number of outer
electrons, atomic numbers).​

Answer 1

Answer:

1. atomic numbers
2. group
3. more
4. valence electronic configuration

Explanation:

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Answer 2

Answer:

answer for the question is 1st one atomic numbers 2nd one group 3rd one more and last valence electronic configuration.