Slides in this set
·Be able to describe the structure of the atom
·Be able to state the relative charges and relative mass of a
proton, electron and neutron.
·Understand the meaning to the terms atomic number and
·Understand electrons are contained within electron shells.
·Be able to draw the electronic structure of an atom using dot
and cross diagrams
·Be able to describe an isotope.…read more
4 Mass Number
the number of protons and
neutrons in an atom
2 Atomic number
the number of protons in
an atom OR the number of
number of electrons = number of protons…read more
Electrons are arranged in Energy Levels or
Shells around the nucleus of an atom.
· first shell a maximum of 2 electrons
· second shell a maximum of 8 electrons
· third shell a maximum of 8 electrons…read more