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10 elements and what you know about their properties and reactions.

User Mushky
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1 Answer

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Answer:

Hydrogen. H.

Helium. He.

Lithium. Li.

Beryllium. Be.

Boron. B.

Carbon. C.

Nitrogen. N.

Oxygen. O.

Fluorine

Neon

Step-by-step explanation:

User Theedchen
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