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प्रश्न
Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
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उत्तर
\[\ce{A - 2e- -> A^2+}\] (cation)
\[\ce{B + 3e- -> B^3-}\] (anion)
संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
What type of chemical bonds are formed by carbon? Why?
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State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
State the type of bonding in the following molecule.
Methane
Draw all possile structural formulae of compound from their molecular formula given below.
C3H4
Explain the structure of Ammonium ion.
Explain the following:
Polar covalent compounds are good conductors of electricity.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
