Question

The property of group 1 element ​

Answer 1

Answer:

hydrogen is the first element

Explanation:

good morning

Answer 2

Answer:

Explanation:

potassium

The alkali metals also have low densities . They are low enough for the first three (lithium, sodium and potassium) to float on water. The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.