Niet-metalen en halogenen - Nonmetals and halogens
Links staat het atoomnummer aangegeven
| niet-metaal | nonmetal | |
| 1 | waterstof | hydrogen |
| 6 | koolstof | carbon |
| 7 | stikstof | nitrogen |
| 8 | zuurstof | oxygen |
| 15 | fosfor | phosphorus |
| 16 | zwavel | sulfur |
| 34 | seleen | selenium |
| halogeen | halogen | |
| 9 | fluor | fluorine |
| 17 | chloor | chlorine |
| 35 | broom | bromine |
| 53 | jodium | iodine |
| 85 | astatium | astatine |
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| 2026 Harmen Schoonekamp | contact | Talennet | Webplattegrond |.
"Niet iedereen die rondzweft is verdwaald.
Not all those who wander are lost.
"
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