Fill in the following blanks with suitable words:
(a) The basis for modern periodic table is ______.
(b) The horizontal rows in a periodic table are called ______.
(c) Group 1 elements are called ______.
(d) Group 17 elements are known as ______.
(e) Group 18 elements are called ______.
(f) According to Newlands’ classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the ______ element starting from oxygen.


(a) The basis for modern periodic table is atomic number.

(b) The horizontal rows in a periodic table are called periods.

(c) Group 1 elements are called alkali metals.

(d) Group 17 elements are known as halogens.

(e) Group 18 elements are called noble gases.

(f) According to Newlands’ classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the eighth element starting from oxygen.

Tutorialspoint
Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

31 Views

Kickstart Your Career

Get certified by completing the course

Get Started
Advertisements