metals and non metals Archives - Gurukul of Excellence

Lakhmir Singh Class 10 Chemistry Solutions Chapter 3 – Metals and Non-Metals

May 10, 2021July 4, 2020 by Manju Kaushik

Very Short Answer Type Questions Page no: 131 1. Name one metal and one non-metal which exist in liquid state at room temperature. Solution: Mercury is the metal and bromine is the non metal which exist ion liquid state at room temperature 2. Why are metals called electropositive elements whereas non-metals are called electronegative elements? … Read more

MCQ Questions for Class 10 Science Chapter 3 Metals And Non-Metals

March 20, 2023June 30, 2020 by Manju Kaushik

1. The non-metal which is liquid at room temperature is:a) Mercuryb) Brominec) Carbond) Helium Answer (b)BromineExplanation: Bromine is the only non-metal which exists as a liquid at room temperature. 2. The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is:a) 18b) 19c) 20d) 21 Answer … Read more