Self-Test

CHEM 1215

Spring, 2000

Try to answer the following questions..

Important do not press the enter key or the Return key while you are anwsering these questions. Your Browser will interpret either key the same as clicking the mouse on the Submit button. So BE CAREFUL!

Use the periodic table to answer the following questions

a) How many electrons in the outer most level in oxygen?

b) How many electrons in the outer most level in calcium?

c) How many electrons will sodium lose to have a filled outer level?

d) How many electron will nitrogen gain to have a filled outer level?