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Transcript

Which drawing is correct?

Look at the Bohr diagrams on the board.

Look at the Lewis Dot Structures on the board

Partner work

Draw up the Lewis Dot Structure for He and H.

H

What element is this Lewis Structure?

Remove all but the outer most electron level.

Lets look at Oxygen

1st

2nd

Remove the nucleus

What are the slimilarities?

differences?

Exit Slip

3rd

Remove the ring- leaving just the outer electrons

Draw the Lewis Dot Structure for the other elements- Li, B, . . .

Bohr

Lewis Dot

vs.

Add in the symbol for the element

4th

O

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