Question

All of the statements are true about the arrangement of elements in the periodic table except that the
a.inert gases are in the group farthest to the right.
b.metals are found on the left side of the periodic table.
c.rare earth elements are in the first column, on the left.
d.transition metals are in the center of the periodic table.

Answer 1

The correct answer is C

Answer 2

Answer:

The correct option is: c.rare earth elements are in the first column, on the left

Explanation:

The periodic table is a table in which the chemical elements are arranged in horizontal rows, known as the periods; and vertical columns, known as the groups.

a. The inert or the noble gases belong to the group 18 of the periodic table which is rightmost column of the periodic table.

b. The chemical elements on the left side of the periodic table are metallic in nature.

c. The lanthanides are the rare earth elements that are found in the center-bottom of periodic table. They consists of 15 chemical elements starting from lanthanum to lutetium.

d. The transition metals are the d- block chemical elements that are present in the center of the periodic table.