Question

a scientist finds an element and only knows that it is contained in group 1 (alkali metals) on the periodic chart. what else can the scientist say about this element? the element they found is also a halogen. the element they found is one of the noble gases. the element should be handled carefully when exposed to water. the element to its right in the periodic table is also an alkali metal.

Explanation:

Alkali metals in Group 1 react vigorously with water. Halogens are in Group 17, noble - gases in Group 18, and the element to the right of an alkali metal is a non - alkali metal.

Answer:

The element should be handled carefully when exposed to water.