Question

A part of the periodic table is shown.

Which of the following elements is less reactive than the others? Beryllium (Be) Calcium (Ca) Lithium (Li) Magnesium (Mg)

Answer 1

Beryllium (Be) is less reactive

Answer 2

Beryllium (Be)

Step-by-step explanation:

Remember periodic trends...

Period: reactivity decreases as you go from left to right

Group: reactivity increases as you go down the group