Which pair of groups will have larger ionic radii compared to their atomic radii after gaining electrons? a chalcogens and alkaline earth metals b halogens and alkali metals c alkali and alkaline earth metals d transition and inner-transition metals e chalcogens and halogens

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.