Dmitri Mendeleev
C
carbon
Density
D=m/v
energy than can be stored
potential energy
in the nucleus, positive, same size as neutron
Proton
creator of the laws of motion
Isaac Newton
Helium
Acceleration
A=v/t
energy with motion
in nucleus, no charge, same size as proton
neutron
Democritus
Na
Sodium
Distance
D=rt
sum of all the kinetic energy of molecules in a substance
in the electron field around nucleus, negative charge, 2000 times smaller than proton and neutron
electron
discovered orbitals of electrons
Neils Bohr
K
Potassium
Force
F=ma
energy that comes from the sun
electromagnetic energy
many atoms with a net charge
polyatomic ion
discovered the mass of the nucleus
Ernest Rutherford
Hg
Mercury
Voltage
V=ir
static electricity
what determines an atoms atomic number
the number of protons it has