There are some exceptions though. For example, mercury is a liquid at room temperature. The metals in Group 1, such as lithium, sodium and potassium, are all soft. Many non-metals have low melting ...

Check revision notes for CBSE Class 10 Science Chapter 3 - Metals And Non-metals. These notes are according to the latest syllabus hence best to prepare for the CBSE Class 10 Science Exam 2023-24.