Question

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Name 20 non-metals.​

Answer 1

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✔Hydrogen (sometimes)

✔Carbon

✔Nitrogen

✔Oxygen

✔Phosphorus

✔Sulfur

✔Selenium

✔Fluorine

✔Chlorine

✔Bromine

✔Iodine

✔Astatine

✔Tennessine (sometimes considered a halogen or metalloid)

✔Helium

✔Neon

✔Argon

✔Krypton

✔Xenon

✔Radon

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Answer 2

Explanation:

1. helium ,
2. carbon ,
3. nitrogen,
4. Oxygen ,
5. fluorine neon,
6. Phosphorus ,
7. Sulphur,
8. chlorine,
9. iodine,
10. hydrogen,
11. krypton,
12. xenon,
13. oganesson,
14. astatine,
15. selenium and radon .