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Rufina [12.5K]
3 years ago
13

An atom of element Be has four protons, four electrons, and five neutrons. Which element below could be an isotope of this atom?

Sodium-10 beryllium-10 boron-9 carbon-9
Chemistry
2 answers:
geniusboy [140]3 years ago
7 0

Answer:

beryllium 10

took the quiz on edg2020

Explanation:

FrozenT [24]3 years ago
4 0

Answer:

beryllium-10

Explanation:

An isotope is an atom <u>of the same element</u> that has a different number of neutrons.

This means that an isotope of beryllium (Be) would have to be beryllium as well.

The number 10 references the fact that it has four protons and <u>six </u>neutrons:

4 protons + 6 neutrons = 10

While usually the element has 5 neutrons, so it is beryllium-9.

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