Subject Experts Solutions for Chapter: Periodic Classification of Elements, Exercise 1: Target Exercise

The number of elements in $5\mathrm{th}$ period of the periodic table.

One element M is present in the ${13}^{\mathrm{th}}$ group the formula of its chloride is

The law of octaves was only applicable up to which element?

Eka aluminium was replaced by which element later on

The element with atomic number 8 resembles the element having an atomic number

Which element is not a noble gas?

Which of the following periodic property generally decreases along a period?

Chloride and potassium ions are isoelectronic. Then