Embibe Experts Solutions for Exercise 1: ICSE-2018

Draw the electron dot diagram of Hydronium ion. $\left(\mathrm{H}=1; \mathrm{O}=8\right)$

Give the appropriate term defined by the statement given below:

The covalent bond in which the electrons are shared equally between the combining atoms.

Draw the electron dot structure of Nitrogen. $[\mathrm{N}=7]$

Draw the electron dot structure of Sodium chloride. $[\mathrm{Na} = 11, \mathrm{Cl} = 17]$

Draw the electron dot structure of Ammonium ion. $[\mathrm{N}=7, \mathrm{H}=1]$

Draw the electron dot diagram for the compound given below. Represent the electrons by (.) and (x) in the diagram.

• Chlorine molecule [Atomic No.$\mathrm{Cl}=17$]

Draw the electron dot diagram for the compound given below. Represent the electrons by (.) and (x) in the diagram.

• Water molecule [Atomic No. of $\mathrm{H}=1, \mathrm{O}=8$]

Differentiate between the following pair based on the information given in the brackets.

• Cations and anions (formation from an atom)