Question

Which one of the following is the modern symbol of Gold?

• A. $\mathrm{Au}$
• B. $\mathrm{Pb}$
• C. $\mathrm{Ag}$
• D. $\mathrm{Pt}$

Answer 1

The correct option is A

$\mathrm{Au}$

The explanation for the correct option

(A) $\mathrm{Au}$

Elements symbol

• The elements are presented in increasing atomic number sequence.
• Since some element's names can be long and complicated, the Periodic Table uses a unique symbol rather than a complete word to represent them.
• A symbol is a 'sign' or 'notation' that represents a chemical element and is usually made up of one or two letters.
• For example, the symbol of Iron is $\mathrm{Fe}$.

Gold

• The atomic number of this element is $79$.
• Gold is represented by the symbol $\mathrm{Au}$ in the periodic table.
• It is derived from the Latin word Aurum, which means gold.

Explanation for incorrect options

(B) $\mathbf{Pb}$

• $\mathrm{Pb}$ is the symbol of lead.

(C) $\mathbf{Ag}$

• $\mathrm{Ag}$ is the symbol of Silver.

(D) $\mathbf{Pt}$

• $\mathrm{Pt}$ is the symbol of Platinum.

Therefore, the correct option is (A) $\mathbf{Au}$.