An element has an atomic number 16. State:
(i) the period to which it belongs.
(ii) the number of valence electrons.
(iii) whether it is a metal or non-metal.

Q. Atomic number of an element is 16. Predict:-
(a) its valency
(b) whether it is metal or a non metal

Q.

An element A has 2 electrons in its fourth shell.State:

(a) its atomic number

(b) its electronic configuration

(c) its valency

(d) position in the periodic table

(e) is it a metal or non-metal

(f) is it an oxidising or reducing agent.

Q.

Element P has atomic number 19.To which group and period, does P belong ? Is it a metal or a non-metal ? Why ?

Q. An element 'X' belongs to period "3" and group "16" of the Modern Periodic Table.

(a) Determine the number of valence electrons and the valency of 'X'.

(b) Molecular formula of the compound when 'X' reacts with hydrogen and write its electron dot structure.

(c) Name the element 'X' and state whether it is metallic or non-metallic.

Q.

An element ‘X’ belongs to 3rd period and group 16 of the Modern Periodic Table.

a) Determine the number of valence electrons and the valency of ‘X’.

b) Molecular formula of the compound when ‘X’ reacts with hydrogen and write its electron dot structure.

c) Name the element ‘X’ and state whether its a metal or a non- metal.