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The grid below represents part of the periodic table. Study it and answer the questions that follow. (The letters are not the actual symbols of the elements).

a).Which letter represents the element that is least reactive?
b) What type of bond is formed when B and E react? Explain your answer.
c) What name is given to the group of elements to which C and F belongs.

Answer Text:
a). A
b). Covalent Bond, since both of the elements are non-metals the bonding is through sharing of electrons which is covalent.
c).Alkaline Earth metals.