8. Suppose your penny isotopes have a half-life of 30 years. Calculate the age of the rock or fossil that contains these isotopes AND the percentage of remaining parent (radioactive) isotope for the
following situations:
a. After 2 half-lives
I
b. After 1 half-life
C. After 4 half-lives
ЗА
DBZ

What is the maximum number of electrons that an atomic orbital can contain?

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true