Question

An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting.
(a) How many electrons would be there in the outermost shell of the element X?
(b) To which group of the periodic tables does the element X belong?
(c) Write the formula of the compound formed when X reacts with chlorine.

Answer 1

Answer:

a) there is one electron in the outermost shell of element X

b) it belongs to first group and first period

c) HCl