Fill in the blanks with the correct word from the brackets:

1. The bond between two elements in group 17[VIIA] of the periodic table is likely to be …………… [ionic/covalent].
2. In the reaction of Cl₂ + 2KI ⟶ 2KCl + I₂ the conversion of 2I to I₂ is deemed as …………… [oxidation/reduction].
3. The covalent molecule containing three single covalent bonds is …………… [water/methane/ammonia].
4. The molecule of water combines with a …………… [hydrogen atom/proton/hydrogen molecule] to form a hydronium ion.
5. For formation of an electrovalent bond between elements 'X' and 'Y' which are a metal and non-metal respectively, X should have a …………… [high/low] ionization potential and 'Y' a …………… [high/low] electron affinity.

1. The bond between two elements in group 17[VIIA] of the periodic table is likely to be covalent.
2. In the reaction of Cl₂ + 2KI ⟶ 2KCl + I₂ the conversion of 2I to I₂ is deemed as oxidation.
3. The covalent molecule containing three single covalent bonds is ammonia.
4. The molecule of water combines with a proton to form a hydronium ion.
5. For formation of an electrovalent bond between elements 'X' and 'Y' which are a metal and non-metal respectively, X should have a low ionization potential and 'Y' a high electron affinity.