which element has 15 protons in its nucleus? phosphorus sulfur selenium
which element has 15 protons in its nucleus? phosphorus sulfur selenium
Answer
Brief Explanations:
The atomic number of an element is equal to the number of protons in its nucleus. Phosphorus has an atomic number of 15, meaning it has 15 protons. Sulfur has 16 protons and selenium has 34 protons.
Answer:
Phosphorus