Advertisements
Advertisements
प्रश्न
How many atoms of each kind are present in the following molecule:
water
Advertisements
उत्तर
Water (H2O) has two atoms of hydrogen and one atom of oxygen. The oxygen atom has six valence electrons. So it requires two electrons to form an octet structure.
APPEARS IN
संबंधित प्रश्न
Define a chemical 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.
State the type of bonding in the following molecule.
Calcium oxide
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.
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
What do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
What do you understand by redox reactions?
Give the orbital diagram of the following:
Nitrogen
State the type of bonding in the following molecules.
Hydrogen chloride
