Which family does this element belong to? It is a colorless and tasteless gas, it is not chemically reactive, changes to a red orange color in a vacuum
tube

Alkali Metals

Alkaline Earth Metals

Halogens

Noble gases

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

What is a number added in front of a formula in order to balance the equation