atoms
positive charge, in the nucleus, about the same size as neutrons
protons
proposed idea of atoms
Democritus
energy of motion
kinetic energy
distance
d=rt
1 inch in centimeters
2.54 cm
3 subatomic particles in an atom
protons, neutrons, and electrons
discovered neutrons
James Chadwick
energy that can be stored then released
potential energy
density
d=m/v
He
decides the atomic number of an element
number of protons
said that the majority of the mass of an atom is in the nucleus
Ernest Rutherford
drawbacks of nuclear energy
war, radiation, spilling
force
F=ma
key word for Newton's 1st law
inertia
many atoms with a net charge
polyatomic ion
developed 3 famous laws of motion
Sir Issac Newton
comes from the sun
electromagnetic
acceleration
a=v/t
Energy can neither be created nor destroyed, only changed in forms.
the law of conservation of energy
the main goals atoms pursue when bonding
electrical neutrality and a full shell of electrons
said that electrons surround the nucleus in orbitals
Neils Bohr
internal energy
voltage
V=IR
repeated, geometrical pattern in which atoms form together to form .....
crystal lattice