How many covalent bonds are present in CHCl3 molecules?

Give an example of a covalent liquid.

The electronic configuration of a hydride ion (H-) is like the electronic configuration of the atom of which element? [1] OR Draw the Lewis dot diagram of H2 molecule. [1]

For which of the following ionic compounds no ion has octet? (a) LiH (b) CaO (c) NaCl (d) MgCl2

Show the conventional representation of the H2O molecule by 'dash' sign

Distinguish between naphthalene and sodium chloride by two physical properties.

KCl is soluble in which of water and benzene ?

The electronic configuration of Na and Cl atoms in the compound NaCl is (a) Na - 2, 8, 8 : Cl - 2, 8 (b) Na - 2, 8, 7 : Cl - 2, 8, 1 (c) Na - 2, 8, 1 : Cl - 2, 8, 7 (d) Na - 2, 8, : Cl - 2, 8, 8

Which compound is formed by the reaction of atmospheric nitrogen and oxygen as a result of lightning?

Mention one reason for the relative chemical inertness of N2. OR Of the two substances used for the production of urea one is carbon dioxide, what is the other?

Write whether the following statement is true or false: The formation of an ionic compound is made possible largely by the formation of a stable ionic network.

In the formation of CaO how many electrons are transferred from Ca atom to O atom? (Atomic numbers of oxygen and calcium are 8 and 20 respectively) 0 1 2 3