Question

another name for group 7 elements, that have a -1 charge and are very reactive, is...
noble gases.
alkali metals.
transition metals.
halogens.
alkali - earth metals.
rewatch

Explanation:

• Noble gases (Group 18) are inert, not reactive.
• Alkali metals (Group 1) have a +1 charge.
• Transition metals have variable charges.
• Alkali - Earth metals (Group 2) have a +2 charge.
• Halogens (Group 7) have a - 1 charge and are very reactive.

Answer:

Halogens.