Explain with the help of [i] an ionic equation [ii] electron dot structural diagram - the formation of the following
[a] Sodium chloride [b] Calcium oxide [c] Magnesium chloride. [at.nos. Na = 11, Cl = 17, Ca = 20, O = 8, Mg = 12].

Explain with the help of (i) an ionic equation (ii) electron dot structural diagram (iii) atomic or orbital structural diagram for the formation of the following: (a) Sodium chloride (b) Calcium oxide (c) Magnesium chloride.

Draw an electron dot diagram to show the formation of each of the following compounds : (i) Methane (ii) Magnesium Chloride [H = 1, C = 6, Mg = 12, Cl = 17]

Draw orbit structure diagram of: (a) sodium chloride (NaCl), (b) calcium oxide (CaO). [Atomic numbers Na = 11, Ca = 20, Cl = 17,O = 8).

Draw the electron dot structure of : [i] Nitrogen molecule [N = 7] , [ii] Sodium chloride [Na = 11, Cl = 17] , [iii] Ammonium ion [N = 7, H = 1 ]

Explain with the help of - electron dot diagrams - the formation of the following molecules, stating the valency of each element involved. [a] Hydrogen [b] Chlorine [c] Oxygen [d] Nitrogen [e] Water [f] Methane [ g] Carbon tetrachloride [h] Ammonia [i] Carbon dioxide [at.nos. H = 1, C = 6, N = 7, O = 8, Cl = 17].

Draw the electron dot diagram for the compounds given below. Represent the electrons by (.) and (x) in the diagram : [Atomic No. Ca = 20, O = 8, Cl = 17, H = 1] Calcium oxide

Draw the electron dot diagram for the compounds given below. Represent the electrons by (.) and (x) in the diagram : [Atomic No. Ca = 20, O = 8, Cl = 17, H = 1] Chlorine molecule

Draw the electron dot diagram for the compounds given below. Represent the electrons by (.) and (x) in the diagram : [Atomic No. Ca = 20, O = 8, Cl = 17, H = 1] Water molecule

Solid calcium oxide was taken in a container and water was added slowly to it. (i) State two observations made in the experiment. (ii) Write the balanced chemical equation of this reaction. or Write balanced chemical equations for the following reactions : (a) dilute sulphuric acid reacs with aluminium powder. (b) dilute hydrochloric acid reacts with sodium carbonate. (c ) Carbon dioxideis passed through lime water.

Based on the symbols with valencies & charges write the formula of the following compounds (i) Mg^(2+) Cl^(-) (Magnesium Chloride) (ii) K^(+)Cr_2O_7^(2-) (Potassium Dichromate)