Question

use this information to write the isotope notation for an element with 11 p⁺, 11 e⁻, 12 n⁰
12 mg 24.31
5 b 10.81
11 na 22.99
23 v 50.94
what is the element symbol?

Explanation:

Step1: Identify element by proton number

The number of protons ($p^+$) determines the element. Here, there are 11 protons.

Step2: Find element symbol

The element with 11 protons is sodium, symbol - Na.

Answer:

Na