and receive access to their purchased Resources for:
the rest of the 2011-2012 academic year
the summer holidays
the rest of the 2011-2012 academic year
Description
At the end of this activity, students should be able to: – say what information can be obtained from the atomic number – determine the number of protons and the total number of electrons in an atom on the basis of the atomic number – determine the composition of atomic nuclei, given the atomic number and the mass number – explain the term isotope – discuss the similarities and differences between hydrogen isotopes – calculate the percentage abundance of a given isotope.