Matter
Anything that has mass and takes up space.
Matter
is is the smallest chemical unit of matter
Atom
2 types of electrical charge
positive and negitive
atoms that have the same number of protons in their nuclei, have similar properties
elements
the 1-2 letter abreviation
Chemical Symbol
is not the same as weight
Mass
the three parts of a atom
electrons, protons and neutrons
having a charge that is neither negitive or positive
neutral
two or more atoms linked together to make a substance with unique properties
Molecules
Periodic table's top number that represents the number of protons and neutrons in a given element.
Atomic Number
becomes a gas at 212 degrees Fahrenheit under standard atmospheric pressure
Water
protons and neutrons together in the center of a atom
Nucleus
when two charges are opposite they _________ eachother
attract
electrons in the outer most space of a atom
Shell
bottom number repersenting the average Mass of a element.
Atomic Mass
the pressure and temperature of a material will determin if the material is in one of three states
solid, liquid or gas
electron
The "clouds" of space between a atoms nucleus and its electrons
Orbitals
the molecular formula of water
H20
The atomic number of Carbon
6
changes depending on the gravitational pull
Weight
created the atomic model in 1913
Neils Bohr
breaks apart a atom
nuclear power
visual of all the known elements
Periodic Table
the chemical symbol of Helium
He