Week 1 Th composition of atoms
W ek 1
Th c pos n of ato
he comp sition f oms
Chapter 2, 3 of te
extbook. No that som additional material fr chapter 8 and 10
View th lecture in the lecture section of web
1) There are three naturally occurring isotopes of lead with mass numbers 204,
206, 207, 208. Use the periodic table provided to determine many neutrons
does each have?
e) 122, 124,125,12
Carbon exists as 3 isotopes with mass numbers 12, 13 and 14. Which of
the statements regarding carbon isotopes is correct?
The isotope contain 6, 7 and 8 neutrons
The isotopes are unstable and will decay into nitrogen
Each isotope has a di