~Read the Problem-Solving
Lab 6-1 on page 149 of your book
~Answer the
Thinking Critically questions:
1. What is the neutron number for A? For B?
2. Which diagram represents an isotope of
beryllium? Explain how you were able to tell.
3. How many electrons are present in atoms A
and B? Explain how you were able to
tell.
4. How many energy levels would be present for
A and B? How might the electrons in A and B distributed in these energy levels?