which is the noble gas notation for chlorine? ne 4s² 4p⁵ ne 3s² 3p⁵ ne 3s² 3p³ ne 3p² 3p⁵
which is the noble gas notation for chlorine? ne 4s² 4p⁵ ne 3s² 3p⁵ ne 3s² 3p³ ne 3p² 3p⁵
Answer
Explanation:
Step1: Recall chlorine's atomic number
Chlorine has atomic number 17.
Step2: Identify preceding noble - gas
Neon (Ne) has atomic number 10. So, we start with [Ne].
Step3: Determine remaining electrons
17 - 10 = 7 remaining electrons.
Step4: Fill electron orbitals
The next orbitals are 3s and 3p. The 3s orbital can hold 2 electrons and the 3p orbital can hold 6 electrons. We fill 2 electrons in 3s and 5 electrons in 3p, giving $3s^{2}3p^{5}$.
Answer:
[Ne] 3s² 3p⁵