Quick Q & A
Questions:
1) What does periodicity refer to in terms of elements?
2) What was the year when neodymium was first isolated as an element?
3) How many isotopes of Neodymium were known in 2010?
4) Why are neodymium magnets dangerous?
Answers:
1) Ionization energy, electron affinity, electronegativity and atomic radius
2) 1885
3) 31 isotopes
4) Neodymium magnets are very powerful, and can cause bone and tissue damage if small appendages are caught between two magnets.
1) What does periodicity refer to in terms of elements?
2) What was the year when neodymium was first isolated as an element?
3) How many isotopes of Neodymium were known in 2010?
4) Why are neodymium magnets dangerous?
Answers:
1) Ionization energy, electron affinity, electronegativity and atomic radius
2) 1885
3) 31 isotopes
4) Neodymium magnets are very powerful, and can cause bone and tissue damage if small appendages are caught between two magnets.