a basic building block of matter
atom
part of an atom with a positive charge
proton
part of an atom with a negative charge
electron
part of an atom witn a neutral charge
neutron
when two objects are rubbed together, electrons are ___________ from one object to another
transferred
opposite charges _______
attract
when an object has more electrons than protons it has a _______ charge
negative
types of atom are called ___________
elements
the name of the number in the top left corner of an element's square
nucleon
a natural occurence during a storm caused by static electricity
lightning