1 an element x with electronic configuration 1s² 2s² 2p⁶ 3s² combines with another element Y with electronic configuration 1s² 2s² 2p⁶ 3s² 3o⁵
A in tabular form,show the formation of the compound formed between X and Y
B write the formation of the compound
2 draw the formation of the compound
A carbon (iv) oxide Co2
B methane
