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Chemistry, 20.11.2020 07:20 tdluong157

15. The element lithium (Li) has an atomic mass of 3 and a mass number of 7. Explain how you know that the diagram above represents a lithium atom.


15. The element lithium (Li) has an atomic mass of 3 and a mass number of 7.
 

Explain how you kno

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15. The element lithium (Li) has an atomic mass of 3 and a mass number of 7. Explain how you know...
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