化学英文单词解释?
化学一些英文单词不懂,最好是中英文就是都有.
properties
physical properties
chaemical properties
significant digits
accuracy
precision
physical changes
chemical changes
mixture
heterogeneous mixtures
homogeneous mixtures
pure substance
element
compound
atomic number
mass number
atomic symbol
*isotopes
*rasioactivity
*radioisotopes
periodic law
energy level
periodic trends
valence electrons
Lewis structure
*stable octet(octet)
ion
anion
cation
*ionization energy
*electron affinity
前面打*的是比较着急的名词