Chemistry · Periodic Classification
न्यूलैंड्स का अष्टक नियम क्रमशः _______ तत्व से शुरू होता है, और _______ पर समाप्त होता है।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1मैग्नीशियम (Mg); कैल्शियम (Ca)
- 2हीलियम (He); आर्गन (Ar)
- 3लिथियम (Li); सोडियम (Na)
- 4हाइड्रोजन (H); थोरियम (Th)✓
सही उत्तर देखें
हाइड्रोजन (H); थोरियम (Th)
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