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If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
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If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?

If E is the symbol for an element, which two of the following symbols represent isotopes-example-1
User Max Mikhaylov
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Answer:

1 and 4

Step-by-step explanation:

User Natxty
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