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Chemistry, 10.10.2021 07:10 supertailsninja453
tổng số hạt cơ bản của x là 82 , số hạt mang điện nhìu hơn số hạt mang điện tích âm là 4 . số khối của là bao nhiu
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tổng số hạt cơ bản của x là 82 , số hạt mang điện nhìu hơn số hạt mang điện tích âm là 4 . số khối c...
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