The chemical symbols of which pair of elements among the following begin with different letters?
Potassium, Platinum
Explanations For Correct option:
Potassium and Platinum symbols begin with different letters.
The symbol of Potassium is K and the symbol of Platinum is Pt.
Both are starting with different letters.
Explanation For Incorrect options:
Platinum, Phosphorus.
The symbol of Platinum is Pt and the symbol of phosphorus is P.
The symbol of phosphorus and platinum is starting with the same letter.
Barium, bromine
The symbol of Bromine is Br and the symbol of Barium is Ba.
The symbol of barium and bromine is starting with the same letter.
Calcium, Cadmium
The symbol of Calcium is Ca and the symbol of Cadmium is Cd.
The symbol of calcium and cadmium is starting with the same letter.
Hence, Option (c) is correct.