2. Isotopes Post test

Isotopes of the same element have the same number of                     , but a different number of                             which also changes the                                                  .

The table here shows the number of protons, neutrons, and electrons that make up four different atoms. Which two atoms are isotopes of the same element?

Match the number of protons, neutrons, and mass number with the correct isotope.

What is the number of protons, neutrons, and mass number for N-15?

How do you find the number of neutrons for the following isotope? Select ALL that apply.  (3 choices)

Li-9

What do H-1, H-2, and H-3 have in common?  What is different about H-1, H-2, and H-3

Match the characteristics next to the correct description for the following isotope.

Li-8

Match the characteristics next to the correct description for the atom below.

How many neutrons does Uranium-235 have?

In a correctly written symbol what would be located in the “A” position?  What would be located in the “Z” position?

Which atom has 4 neutrons?

What is different about all of these isotopes of carbon?