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Vocabulary
Groups
People
Atomic Numbers/Mass
Metal, Non-metal or Metalloid
100
a subatomic particle which has a negative charge
What is an Electron
100
one of the elements of Group 1 of the periodic table, soft, shiny, reacts violently with water
What is an alkali metal?
100
Rutherford
Who discovered the nucleus?
100
6.022*10^23
What is Avogadro's Number
100
Does not conduct electricity
What is a non-metal
200
an atom, radical, or molecule that has gained or lost one or more electrons and it has positive or negative charge
What is an ion?
200
one of the elements of Group 17 of the periodic table
What is a halogen
200
Said that most of atomic weight was in the middle of the atom
What is Rutherfords Atomic Model of the Atom
200
4.003 Atomic Mass
What is Helium's Atomic Mass
200
Elements that have an atomic number higher than 92?
What are synthetics
300
an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties
What is a Valence Electron?
300
one of the elements of Group 2 of the periodic table
What is an alkaline earth metal
300
all atoms of a specific elements are all alike, and atoms of different elements could join to form compounds
What is Dalton's Atomic Theory
300
SI Unit of atomic mass
What is amu
300
Shiny and conducts electricity
What is a metal
400
the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
What is the Periodic Law
400
one of elements of Group 18 of the periodic table
What is a noble gas?
400
Thomsons Atomic Model
What is the plum pudding model
400
Average Atomic mass is 12
What is Carbon
400
elements that have 3 letters on the periodic table
What are predicted elements
500
a unit or quantum of light; a particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy
What is a photon?
500
The elements that are separated from the rest to prevent the periodic table from becoming too long
What is the Lanthanide and Actinide Series
500
He said the universe is made up of invisible, indivisible units
What is Democritus Theory
500
Atomic Number is 118
What is Ununoctium
500
Elements on the bold line of the periodic table
What is Metalloids