Question

. Identify the correct statements:
a) Generally non-metals has soft in nature
b) In general non-metals are bad conductor of electricity
€) Na & K are very soft and can be easily cut with a knife
dy Metals are generally solids at room temperature

Answer 1

€) Na & K are very soft and can be easily cut with a knife

Explanation:

• Na and K are very soft metals, and we can cut them with a knife because
• They are alkali metals and have only one valence electron due to they have weak metallic bonds.
• But between Na and K, Na metal is softer because it has a large atomic size as compared to K.