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Chemistry, 03.10.2021 15:10 laza87

một nguyên tử có tổng số hạt là 82.số hạt không mang điện ít hơn số hạt mang điện là 22 hạt. vậy số khối của nguyên tử đó là bao nhiêu

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một nguyên tử có tổng số hạt là 82.số hạt không mang điện ít hơn số hạt mang điện là 22 hạt. vậy số...
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