Which group readily gains electrons?

halogen group

Explanation: The elements of the halogen group (Group 17) gain electrons most readily, as can be seen from their large negative electron affinities.

Explanation:

"The elements of the halogen group (Group 17) gain electrons most readily, as can be seen from their large negative electron affinities."

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one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.