Chemistry · Periodic Classification of Elements
एक आवर्त में बाईं से दाईं ओर जाने पर तत्वों की संयोजकता (valency):
- 1स्थिर रहती है
- 2पहले बढ़ती है फिर घटती है✓
- 3बाईं से दाईं ओर बढ़ती है
- 4बाईं से दाईं ओर घटती है
सही उत्तर देखें
पहले बढ़ती है फिर घटती है
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