Question

how many phosphorus atoms are in the formula below
(only type the number)

p₃f₄

○ 4
○ 7
○ 3
○ 1

Explanation:

Step1: Identify the element symbol for Phosphorus

In chemical formulas, the symbol for Phosphorus is \(P\).

Step2: Look at the sub - script of the Phosphorus symbol

In the formula \(P_3F_4\), the sub - script of \(P\) is \(3\). This sub - script indicates the number of Phosphorus atoms.

Answer:

3