Flashcards
chem 2
Flashcards do conjunto (5)
- 1define: relative atomic massaverage mass of an atom relative to the C12 atom
- 2properties of heavy water- higher melting point than water
- slightly higher boiling point
- higher density, freezes at higher temperatures - 3define relative isotopic massthe mass of an isotope relative to 1/12th of the mass of an atom of carbon-12
- 4mass spectrometer useto find the percentage abundances of the isotopes in a sample of an element
- 5give the formulas with charges of these ionic molecules: ammonium / hydroxide / nitrate / carbonate / sulfateNH4 + / OH- / NO3 - / CO3 2- / SO4 2
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- Descrição
- AS level Chemistry (module 2) FlashCards sobre chem 2, criado por myriam farah em 13-03-2018.
- Criado por
- myriam farah · mar 2018
- Atualizado
- 13 mar 2018
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