Chemistry · Periodic Properties
According to Slater's rules, what is the effective nuclear charge (Zeff) for a valence 3s electron in a Sodium (Na, atomic number = 11) atom?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1+9.85
- 2+6.80
- 3+2.20✓
- 4+1.00
Correct answer
+2.20
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Periodic Properties MCQs →Want more practice questions on Periodic Properties?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Periodic Properties