Question 26

each row in the periodic table ends with a

a)metal

b)nonmetal

c)metalloid

d)noble gas

The ending of the each row of periodic table is marked by a D) nobel gas.

Tabular arrangement of all the known elements according to their rising atomic number is called as periodic table. It has 18 groups and 7 periods.

The elements present in them are classified as metals, non-metals, and metalloids based on the physical and chemical properties exhibited by them. The 7 periods are arranged in row format in which the starting of the row is marked by metals and ending is marked by nobel gas.

Periodic table is displayed in the image below.

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