What type of bonds are present in the following molecules ? Draw their electron-dot structures. (i) H2 (ii) CH4 (iii) Cl2 (iv) O2 Lakhmir Singh Chemistry Class 10

What type of bonds are present in the following molecules ? Draw their

1.	What type of bonds are present in the following molecules ? Draw their electron-dot structures. (i) H2 (ii) CH4 (iii) Cl2 (iv) O2 Lakhmir Singh Chemistry Class 10
Answer» 2 : COVALENT BOND is presentII) CH4 moleculeBond present is Covalent bondCarbon - atomic NUMBER 6Valence electrons--- 4electronic configuration : 1s² 2s² 2p²So carbon atom shares its 4 valence electrons with four hydrogen atom to form methane molecule.III)Cl2Bond present is covalent bondCl- atomic number 17electronic configuration = 1s²2s²2p⁶3s²3p⁵each CHLORINE atom will share its 1 electron each to gain stability.Iv) O2 molecule Oxygen has 8 Atomic numberelectronic configuration :1s²2s²2p⁴Valence electrons - 8So each oxygen atom shares two pairs of electron hence bond formed is called as Double covalent bodPlease refer the attachment