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Firlakuza [10]
4 years ago
12

There are two common isotopes of the element lithium. The first isotope has 3 protons and 3 neutrons. The second isotope has 3 p

rotons and 4 neutrons. Using the hyphenated notation, what are the names of these two isotopes, respectively?
Chemistry
1 answer:
lions [1.4K]4 years ago
4 0

Hey there!

In hyphenated notation, we have the name of the element, a hyphen, then a number that is the sum of protons and neutrons.

The first isotope has 3 protons and 3 neutrons, so the sum is 6. Its name is lithium-6.

The second isotope has 3 protons and 4 neutrons, so the sum is 7. Its name is lithium-7.

Hope this helps!

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