Flashcards
chem 2
Cards in this deck (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
Information
- Description
- AS level Chemistry (module 2) Flashcards on chem 2, created by myriam farah on 13/03/2018.
- Created by
- myriam farah · Mar 2018
- Updated
- Mar 13, 2018
- Views
- 0
- Rating