Question

Alkaline earth metal have valency. This means that their position in the modern periodic table is in........

Answer 1

the valency of alkaline earth 2 so the alkaline is present in group 2 in modern periodic table

Answer 2

Alkaline earth metals have 2 electrons in their outermost orbits. These elements are ready to lose their 2 electrons and form cations. Thus their valency is +2. Due to presence of 2 electrons in the outer most orbit, they fall in group 2 (IIA) of the periodic table.  

Alkaline earth metal that comes under this group are:

• Beryllium (Be)
• Magnesium (Mg)
• Calcium (Ca)
• Strontium (Sr)
• Barium (Ba)
• Radium (Ra)