Question
वर्ग-IIA के तत्व कौन-कौन से है?
Answer
वर्ग-IIA के तत्व - (1) रेडियम (Ra) (2) बेरियम (Ba) (3) स्ट्रोंशियम (Sr) (4) कैल्शियम (Ca) (5) मैग्निशियम (Mg) (6) बेरिलियम (Be)Subscribe to our youtube channel!
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