An element of atomic mass 40 has 2, 8 , 8 , 2 as the electronic configuration. Which one of the following statement regarding this element is not correct?

Question

An element of atomic mass 40 has 2, 8 , 8 , 2 as the electronic configuration. Which one of the following statement regarding this element is not correct? (A) It forms a basic oxide (B) It belongs to II A group (C) It belongs to IV period (D) It forms an acidic oxide

Tardigrade Admin · Accepted Answer

The element is calcium and hence its oxide (CaO) is basic in nature

Q. An element of atomic mass $40$ has $2, 8, 8, 2$ as the electronic configuration. Which one of the following statement regarding this element is not correct?

It forms a basic oxide

It belongs to $II$ $A$ group

It belongs to $I V$ period

It forms an acidic oxide

The element is calcium and hence its oxide (CaO) is basic in nature

Q. An element of atomic mass 40 has 2,8,8,2 as the electronic configuration. Which one of the following statement regarding this element is not correct?

It forms a basic oxide

It belongs to II A group

It belongs to IV period

It forms an acidic oxide

The element is calcium and hence its oxide (CaO) is basic in nature

Q. An element of atomic mass $40$ has $2, 8, 8, 2$ as the electronic configuration. Which one of the following statement regarding this element is not correct?

It belongs to $II$ $A$ group

It belongs to $I V$ period