Question

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Answer 1

Answer:

The element which comes after mercury in the periodic table is called eka-mercury.

Its various parameters are 2 = 80+32 = 112

IUPAC name: Uub

Official name : Cn (copernicium)

Electronic configuration = [Rn]

Answer 2

Answer:

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Explanation:

Eka silicon means germanium. It occurred because of silicon whereas Eka aluminium occurred because of aluminium and later named it as gallium. 

While filling the elements considering atomic number would be main and fundamental property there were gaps in the mentioned groups .

Hence, he filled them with these names.

Ga - Ar3d104s24p1. Group number 13 as three valence electrons where as period 4 as outer most shell is 4.

Ge - Ar3d104s24p2. Group number 14 as 4 valence electrons where as period 4 as outer most shell is 4.

HOPE IT HELPS YOU siso... :)