🤓 Based on our data, we think this question is relevant for Professor Butcher's class at HU.
Four of the boxes in the following periodic table are colored.
Which one is an alkaline earth metal?
We have to determine which one of the four elements marked in the given periodic table is an alkaline earth metal.
Based on the electronic configuration of elements, the periodic table is divided into four blocks: s-, p-, d- and f-block.
The groups and blocks of periodic table are shown here: