Chemistrymedium · Past Paper
What is the electronic configuration of Phosphorus (Z=15)?
A2, 8, 3
B2, 8, 5
C2, 5, 8
D2, 8, 8
✓ Correct Answer: B — 2, 8, 5
Phosphorus has 15 electrons, distributed as 2 in the K-shell, 8 in the L-shell, and 5 in the M-shell.
Share this question
More from Chemistry
- What is the process of losing electrons in a chemical reaction called?
- How many grams of Magnesium are required to produce 40g of Magnesium Oxide ($MgO$)? (Mg=24, O=16)
- Which of the following is not a property of metals?
- In the reaction H2O + H2O <-> H3O+ + OH-, this process is called:
- Which of the following is a balanced equation for the formation of water?