Mchem directions for atom drawing.
Choose 1 element from period 2, and one from period 3.
Draw one of these elements on the front, one on the back.
Put protons, neutrons and electrons in the appropriate places; color, and use a key
10 pts, ec possible
Mchem chapter 4 - electrons
• Electrons are found in energy levels
• Electrons fill the lowest energy level first
• The first energy level holds 2 e-
• The second energy level holds 8e-
• The third energy level holds 8e-
• Fill in electrons, starting with the lowest energy level, until you have used up all your electrons.