Question

17. Form similar pairs of words.

ii. ________ and $\mathrm{K}$ / calcium and $\mathrm{Ca}$

Answer 1

• An element is defined as a pure substance that cannot be broken down into simpler substances by any chemical means.
• $\mathrm{Ca}$ is the symbol of calcium. So, $\mathrm{K}$ is the symbol of potassium.

Hence, Potassium and $\mathrm{K}$ / calcium and $\mathrm{Ca}$.