Question

1. Write one example of each of:
(i) a metal which is so soft that, it can be cut with knife and a non-metal
which is the hardest substance.
(ii) a metal and a non-metal which exist as liquid at room temperature.​

Answer 1

Explanation:

1.Sodium is an alkali metal and is so soft that it can be easily cut by knife.

2.The metal which exist as a liquid at room temperature is mercury. Non-metal which exist as a liquid at room temperature is bromine.

Answer 2

Answer:

(i) Sodium, carbon (diamond).                                                                                                                                 (ii)Mercury is liquid metal, bromine is liquid non-metal.

Hope this helps you all