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Question

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


A

Au

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B

Pb

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C

Ag

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D

Pt

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Solution

The correct option is A

Au


The explanation for the correct option

(A) 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 Fe.

Gold

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

Explanation for incorrect options

(B) Pb

  • Pb is the symbol of lead.

(C) Ag

  • Ag is the symbol of Silver.

(D) Pt

  • Pt is the symbol of Platinum.

Therefore, the correct option is (A) Au.


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