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what rules and principles are violated in the following electronic configuration: 1s22s3
Solid Nacl is a bad conductor of electricity since: (1) In solid Nacl there are no ions (2) Nacl Solid is covalent (3) In solid Nacl there is no motion of ions
What does the HA and A- stand for in buffer solution equations? Ka=HA/A-
Which compound is highest covalent: (1) LiCl (2) FiF (3) LiBr (4) LiI Ans: LiI
(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B
The nature of bonding in graphite is: (1) Covalent (2) Ionic (3) Metallic (4) Coordinate Ans: Covalent
reactions in a mercury button cell
can you give examples of semi-synthetic polymer
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
Applications of hyperconjugation (A) Carbon-carbon double bond size in alkenes: As we know previously that the more is the number of resonating structures, the very much will
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