atom
what is the definition of atom?
atoms as a source of nuclear energy.
Why was the periodic table useful to scientists?
They used it to predict properties of unknown elements
what are atoms made of?
what is subatomic particles,protons,neutrons,and electrons.
What are the vertical columns called?
Groups
how much of an atom is empty space?
99.9999999999996%
What are the rows called?
Periods
how do you make an model of an atom?
you make 3 or 4 circle you put balls where needed but the middle you dont.
What does ductile mean?
Drawn into thin wires
what determines the chemical behavior of an atom?
The number of protons determines the chemical behavior of an atom.
Which family contains the non reactive gases?
Noble gases