Question

Give the names of the most abundant and the next most abundant element in the earth's crust.

Answer 1

Element: An element is a pure substance that cannot be split into simpler substances and consists of only one type of atom.

• Example: Iron $\left(\mathrm{Fe}\right)$, Hydrogen $\left(\mathrm{H}\right)$ etc.

The most abundant element in the earth's crust is Oxygen $\left(\mathrm{O}\right)$.

The next most abundant element in the earth's crust is Silicon $\left(\mathrm{Si}\right)$