What is the 'center' of the atom?
Nucleus
How many electrons fit on the third energy level?
8
What two groups on the periodic table are the most reactive?
Group 1 (Alkali Metals), Group 17 (Halogens)
List the 3 types of Elements on the periodic table
Metals, Non-Metals, Semi-Metals
List 3 properties of Metals
Hard, Lustrous (Shiny), Malleable, Ductile, Good Conductors of Heat/Electricity
Figure out the number of electrons for each level for Calcium
2e-) 8e-) 8e-) 2e-)
Explain why atoms grow in atomic size as you go down a GROUP on the periodic table
Valence shell is farther and farther away from the nucleus. There are also more energy shells in an atom as you go down.
List the number of each subatomic particle in an Aluminum Ion
Protons: 13
Neutrons: 14
Electrons: 10
Answers vary.