Flashcards
Chemistry - C1 + 2
Flashcards do conjunto (25)
- 1What is matter?Anything that has volume and mass.
- 2carbon-14path of carbon during photosynthesis, age of archaeological effects
- 3sodium-24leaks in pipes
- 4uranium-235alternative source of energy
- 5Ions?positive (cations), negative (anions)
- 6Smallest neutral particle?atom
- 7evidence of the movement of particles?the brownian motion, diffusion.
- 8diffusion?process by which particles intermingle as a result of their kinetic energy of random motion
- 9bromine vapourbrown
- 10solid potassium manganate(vii)purple
- 11copper(ii) sulphateblue
- 12....... ensures even heating and coolinhcontinuous stirring
- 13sunstances thag undergo subliminationiodine, ammonium chloride, solid carbon dioxide
- 14john daltonatoms
- 15J. J. Thompsonelectrons
- 16Ernest Rutherfordnucleus (+)
- 17Neils Bohrelectron shells
- 18James Chadwickneutrons
- 19proton numberatomic number
- 20nucleon numbermass number
p+n - 21isotopessame element, same number of protons
different number of neutrons - 22electrons on the third shell?8 or 18
18 if <20 - 23valence electronselectrons on the outermost shell
- 24same number of valence electrons =same chemical properties
- 25cobalt-60kills malignant cancer cells, kills microorganisms (bacteria/fungus)
Informações
- Descrição
- FlashCards sobre Chemistry - C1 + 2, criado por simerleen em 09-03-2016.
- Criado por
- simerleen · mar 2016
- Atualizado
- 7 mar 2018
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