There are two elements with atomic no. 32 and x which were named as Eka-silicon and Eka aluminium respectively. What should be value of x? (1) 14 (2) 28 (3) 30 (4) 31
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Answer:
(a) Eka-silicon was replaced by Germanium and Eka-aluminium was replaced by Gallium.
(b) Gallium: Group 13 Period 5
Germanium: Group 14 period S
(c) Gallium is metal, while Germanium is metalloid
(d) Gallium has 3 valence electrons, while Germanium has 4.
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Answer:
(a) Eka-silicon was replaced by Germanium and Eka-aluminium was replaced by Gallium.
(b) Gallium: Group 13 Period 5
Germanium: Group 14 period S
(c) Gallium is metal, while Germanium is metalloid
(d) Gallium has 3 valence electrons, while Germanium has 4.
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