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Elements and Atomic Structure
Questions (2)
Most of the matter in the universe is of which element?
How and where do elements more complicated than this form? Is this
2 answers
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Anonymous
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Sodium had an atomic mass of 23 and an atomic number of 11. How many neutrons does phosphorous have?
Group of answer choices 0 11
1 answer
asked anonymously
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Subcategories (1)
Atomic Mass and Atomic Number
Parent Categories (1)
Chemistry