Horizontal rows
What are periods?
Person responsible for indivisible particle named the atom
Who is Democritus?
Protons and neutrons are found here
What is the nucleus?
When electrons are shared
What is a covalent bond?
Individual who discovered electrons
Who is J.J Thomson?
Vertical columns
What are groups or families?
Individual responsible for believing all matter is made up of four basic substances: earth, water, air, and fire
Who is Aristotle?
Electrons are found here
What is in the shells (or orbits or energy levels)?
When electrons are transferred
What is an ionic bond?
James Chadwick discovery
What are neutrons?
Group 17 name
Individual responsible for The Billiard Ball Model
Who is John Dalton?
BR Diagram for this element
What is sodium?
Charge on Mg ion
What is positive 2?
Individual who discovered electron orbits
Who is Bohr?
Group 1 name
What are Alkali metals?
Individual responsible for the plum pudding model
Who is J.J Thomson?
Number of valence electrons in chlorine
What is 7?
Charge on bromine ion
What is negative 1?
An atom that loses or gains an electron but keeps the same number of protons.
What is an ion?
Scientist who discovered the table
Who is Dmitri Mendeleev?
Rutherford's experiment
What is the gold foil experiment?
Bohr Rutherford diagram for Sulfur
Positive and negative ion names.
What are cations and anions?
Element group with metals that can be cut with a butter knife
What are the alkali metals (Group 1)?