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bonufazy [111]
3 years ago
13

Which defines an atom?

Biology
2 answers:
liberstina [14]3 years ago
4 0
D is the answer I think tell me if I’m wrong
vladimir2022 [97]3 years ago
3 0

Answer:

b

Explanation:

atom is the building block of matter

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The number of neutrons in a helium atom is TWO (2).

  • Helium (He) is the second chemical element in the periodic table.

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  • In consequence, the atomic number of helium is equal to two (2).

  • The Sun contains approximately 25% He, which is generated by solar fusion.

In conclusion, the number of neutrons in a helium atom is TWO (2).

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You've discovered a new plant species in which
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All the crossing will be like this after realizing it:

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