Question

B
С
(a) State whether A is a metal or non-metal ?
(b) State whether C will be more reactive or less reactive than A
(c) Will C be larger or smaller in size than B?
(d) What type of ion (cation or anion ) will be formed by A?
.
Element X forms a chloride with the formula XCL. With which of the
following elements, X would most likely be in the same group of the
periodic table ?
Na, Mg, Al, C.​

Answer 1

Answer:

Na(sodium for sure since its valency is 1+)