Question

identify the correct elements being described below: part of the halogens group. the lightest alkali metal. the only group 1 element that is not an alkali metal. answer bank hydrogen h chlorine cl lithium li

Explanation:

Step1: Identify halogen

Chlorine (Cl) is a halogen as it is part of Group 17 in the periodic - table which is the halogen group.

Step2: Identify lightest non - alkali metal

Hydrogen (H) is the lightest element and is not an alkali metal. Alkali metals are in Group 1 (excluding hydrogen).

Step3: Identify Group 1 element

Lithium (Li) is a Group 1 element, which are the alkali metals.

Answer:

First box: Hydrogen (H), Second box: Chlorine (Cl), Third box: Lithium (Li)