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This of the following is an electrovalent linkage:
(1) CH4
(2) MgCl2
(3) SiCl4
(4) BF3
Ans: MgCl2
CARBON, SILICON AND GERMANIUM With the valence electron configuration s 2 p 2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent
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The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
what is silver silver electrode
Classification of polymers - Fibres These are the polymers that comprise strong intermolecular forces among the chain. These forces are either hydrogen bonds or dipole-dipole i
how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?
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