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Chemists
Rules
Periodic Table
ions
Bonds
100
Discovered Neutron
Who is Chadwick?
100
electrons are added one at a time to the lowest energy orbitals avaliable
What is aufbau principle
100
groups 3-12 of the periodic table
What is transition metals
100
an atom that has a positive or negitive charge
What is an ion
100
oxygen for this number of covalent bonds
What is two
200
uncertianty Principal
Who is Heisenburg?
200
Shape of orbital
What is angular momentum
200
In pure form are diatomic molecules
What is halogens
200
composed of positive and negitive ions that are combined so that the numbers of positive and negitive are equal
What is an ionic compound
200
carbon forms this many covalent bonds
What is four
300
Published a table of elements predicted unknown elements
Who is Mendeleev
300
An orbital can only hold 2 electrons
What is Pauli exclusion principal
300
Only found pure in nature because chemically non-reactive
What is noble gases
300
negitive ion
What is an anion
300
bonding between hydrogen and more electronegitive neiboring atoms
What is hydrogen bonding
400
Discovered Noble gases
Who are Ramsey and Rayleigh
400
Electrons occupy equal-energy orbitals so that a max # of unpaired electrons result.
What is Hund's rule
400
Never found pure in nature because too reactive
What is Alkali metals
400
any process that results in the formation of ions
What is ionization
400
a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
What is chemical bond
500
Worked with xrays
Who is Moseley
500
Size of the Orbital
What is Principal
500
gases at room temp. Brittle, poor conductors
What is non-metals
500
positive ion
What is a cantion
500
strongest intermolecular force
What is covalent bond