I need help with these chemistry questions please help asap

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.