Electrons & The Periodic Table
A metal and a non metal
What is an ionic compound made up of?
Conducted the cathode ray experiment
Who is JJ Thompson
atom, formula unit or a molecule
What is a representative particle?
the sublevels in the 3rd energy level
what are s, p, and d
the charge an atom gets when it becomes an ion
What is an oxidation number?
The proton# + the neutron #
What is mass number?
the simplest whole number ratio of elements in a molecule
What is an emperical formula
Sodium Hydroxide dissolves in water
What is a physical change?
the probability cloud of an atom's electrons
What is an orbital?
the electrons involved in bonding
What are valence electrons?
Same number of protons but different number of neutrons
What is an isotope?
the SI unit for the amount of a substance
What is a mole?
Same uniform blend of substances
What is a homogenous mixture?
the product of wavelength and frequency
what is the speed of light?
The lightest of the atomic particles
what is electron?
is used when converting from grams to moles and moles to grams
What is molar mass?
every orbital needs an electron with the same spin before another electron can be added in with an opposite spin
what is Hund's rule?
a molecule with the shortest bond
what is a covalent triple bond
Conducted the gold foil experiment and discovered the nucleus
Who is Rutherford
C6H12O6
What is a molecular formula