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प्रश्न
Give the orbital diagram of the following:
Methane
उत्तर
Methane
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Why do they exist as monoatoms in molecules?
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Explain
Octet rule for the formation of sodium chloride
State the type of bonding in the following molecules.
Water,
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
