Elements review 4.2

4.2 MACROMOLECULES REVIEW

WORKING THE PERIODIC TABLE

Use your periodic table to find CARBON, HYDROGEN AND OXYGEN. COPY the element key for each of those elements into your notes (If you do not have it already)

Match

Match the following element with the corresponding atomic number:

• Carbon

• Oxygen

• Hydrogen

6

8

1

• 6

• 8

• 1

What information can you get from the Periodic Table?

What do the rows tell you?
What do the columns tell you?
How is it arranged?

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Multiple Choice

How many VALENCE ELECTRONS does carbon have?

• 6

• 12

• 4

• 2

Multiple Choice

How many electrons does carbon need to become stable?

• 6

• 2

• 4

• 12