Mass
What part of an atom has the most mass
Nucleus
What is reactivity
How much something reacts to another substance.
Mass divided by volume equals?
Density
What are noble gases?
Mass of 10 and volume of 5. What is the density?
2
What are valance electrons?
Electrons found in the outer shell of an atom. A
Mass of 24 and volume of 8. What is the density?
3
Identifies an element
What is a proton
Mass 30 and volume 15. What is the density?
2
The shell that holds electrons
Energy level