Chemistry
Arrange :
(i) Be, Li, C, B, N, O, F (in increasing metallic character).
(ii) Si, Na, Al, Mg, Cl, P, S (in decreasing non-metallic character).
Related Questions
Which is greater in size ?
(a) An atom or a cation
(b) An atom or an anion
(c) Fe2+ or Fe3+
(d) Fluorine or oxygen
Which has maximum metallic character Na, Li or K.
State the trend in chemical reactivity :
(i) Across the third period from left to right,
(ii) Down the group.
(a) in group IA (1) (b) in group VIIA (17)
A metal M forms an oxide having the formula M2O3. It belongs to third period. Write the atomic number and valency of the metal.