Chemistry Project How do I make these shapes on a ball?

How do you make the angles in a 3,1 pyramid 107 and 4,0 tetrahedral 109 and a trigonal planar 3,0 120

If somebody could explain how you make those shapes on a styrophone ball it would be so thankful.

Thanks

Nya2009-01-06T15:55:30Z

Favorite Answer

draw the angles on a piece of paper first, then put a tooth pick in one of the balls and place the ball centered over the angle and place the second tooth pick.


repeat as needed