Mapa mental
C4 B4 P4
Conteúdo do mapa
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
Informações
- Descrição
- Mapa Mental sobre C4 B4 P4, criado por duke.francesca1 em 19-04-2014.
- Criado por
- duke.francesca1
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- Avaliação