निम्नलिखित तत्त्वों के प्रतीक लिखिये-(i)...

निम्नलिखित तत्त्वों के प्रतीक लिखिये-(i) ऑक्सीजन ,(ii) हाइड्रोजन (iii) नाइट्रोजन (iv) क्लोरीन (v) कॉपर ,(vi) सोना (गोल्ड), (vii) चाँदी (सिल्वर), (viii) जस्ता (जिंक)।

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