Chemistry · Periodic Classification

निम्नलिखित चार तत्वों पर विचार करें जहाँ परमाणु संख्या कोष्ठक में दी गई है: A(9), B(11), C(12), D(13) समान संयोजकता (valency) वाले तत्व कौन से हैं?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

सही उत्तर देखें

A और B

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