Mindmap
C4 B4 P4
Mind map: water pollutants and purification
Inhalt der Mindmap
C4 B4 P4
C4
- nucleus is made from protons & neutrons
- atom is neutral, equal protons & neutros
- elements with the same atomic number but different mass numbers are isotopes
- elements in the periodic table are arranged in order of increasing atomic number
- atomic theory - John Dalton
- outer shell of 8 electrons have a stable structure
- atoms can be made stable by ionic bonding
- group - accross
- period - down
- elements in the periodic table are arranged in order of increasing atomic number
- water pollutants: nitrate residues (fertilisers), lead compounds (lead pipes), pesticide residues (farming)
- purifying water: 1. sedementation 2.filtration 3. chlorination
- nucleus is made from protons & neutrons
Informationen
- Beschreibung
- Mindmap am C4 B4 P4, erstellt von duke.francesca1 am 19/04/2014.
- Erstellt von
- duke.francesca1
- Aufrufe
- 23
- Bewertung