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Nguyên tử Y có 3 proton và số khối bằng 7. Kí hiêụ nguyên tử của Y là
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Nguyên tử Y có 3 proton và số khối bằng 7. Kí hiêụ nguyên tử của Y là

User Dmitry Nedbaylo
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1 Answer

5 votes

Answer:

Y là Lithium (Li)

Step-by-step explanation:

User Tuesday Four AM
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