Which of the following is the correct sequence of alkaline earth metals, according to atomic number?

Correct option is D

The correct answer is (d) Be < Mg < Ca < Sr < Ba.
· The alkaline earth metals are a group of elements in Group 2 of the periodic table.
· The correct sequence of these elements according to their atomic number is:
· Beryllium (Be) with atomic number 4
· Magnesium (Mg) with atomic number 12
· Calcium (Ca) with atomic number 20
· Strontium (Sr) with atomic number 38
· Barium (Ba) with atomic number 56
Information Booster:
· Atomic number order is fundamental for understanding the position of elements in the periodic table.
· Alkaline earth metals have similar properties, such as being shiny, silvery-white, and somewhat reactive at standard temperature and pressure.