Metals

_____ is a metal having a low boiling point.

Name two metals that have low boiling points.

Why do metals have high boiling points?

Generally, metals have _____ boiling points.

_____ are three metals that have densities lower than water.

Generally, metals have a low density.

The metal with the lowest density is _____.

Generally, metals have a:

Potassium and potassium ions:

_____ is the positively charged atom or group of atoms.

Explain why the size of the cation is smaller than its corresponding atom.

Define ionisation enthalpy.

Write few examples of mono-atomic cations.

Name the products formed when sulphur reacts with the concentrated nitric acid.

Why are metals good conductors of electricity?

Complete the concept map.

Sodium and potassium can be cut with a knife.

All the metals are non-conductors of electricity.

How can you examine that metals conduct electricity? Explain with the help of an activity?

Give a comparative account between metals and non-metals with examples.