Periodic Classification Of Elements - Study Mode
[#56] The following options depict a particular characteristic of elements and their variation in the period from left to right and top to bottom in the group: Characteristics of the element - left to right in the period-top to bottom in the group Select the correct option.
Correct Answer
(C) Electrically positive / metallic character, - decreases / increases - increases
[#57] The atomic radius increases in a group due to the continuous increase of . . . . . . . .?
Correct Answer
(C) electron shell
[#58] The long form of Periodic Table is based on
Correct Answer
(D) atomic number
[#59] In the modern periodic table, the elements are arranged:
Correct Answer
(C) In increasing order of atomic numbers
[#60] The first element of each period has 1 valence electron and the last element of each period . . . . . . . . have electrons. (Except helium)
Correct Answer
(B) 8 valence electrons