In the figure the first eighteen elements are jumbled up. Carefully observe the figure and answer the following questions.
(a) Pick out two elements which are known as alkali metals.
(b) Pick out two elements which have valency 4.
(c) Pick out two elements which belong to group 16 of the periodic table.
Dear student ,
a) Elements which are known as alkali metals : Lithium (Li) and sodium (Na)
b) Elements which have valency 4: Carbon (C) and Silicon (Si)
c) Elements which belongs to group 16 : Oxygen (O) and sulphur (S)
Regards
a) Elements which are known as alkali metals : Lithium (Li) and sodium (Na)
b) Elements which have valency 4: Carbon (C) and Silicon (Si)
c) Elements which belongs to group 16 : Oxygen (O) and sulphur (S)
Regards