Question

an element place in second group and third periodic table burns in the presence of oxygen perform a basic oxides . A identity the element . B write the electronic configuration . C write the balanced equation when it the burns in the presence of air . D write the balanced equation when the oxide dissolved in the water. E the electron dot structure for the formation of the oxide​

Answer 1

a. magnesium is the element.

b. 2,8,2

c. 2Mg + O₂ → 2MgO

d. MgO + 2H₂O→ Mg(OH)₂ + H₂

e.