Subatomic Particles
Atomic History
Periodic Table
Bonding
Potpourri
100
What is a subatomic particle?
A particle smaller than an atom.
100
The first official atomic theory was created by this man.
John Dalton
100
A column on the periodic table is also known as what?
Group or family
100
Atoms form bonds to become like what group on the periodic table?
The Noble Gases
100
What is formed when an atom gains or loses electrons?
Ion
200
A positively-charged particle
A proton
200
Performed the Gold Foil experiment and discovered the atom was mostly empty space with a small nucleus at the center.
Ernest Rutherford
200
A row on the periodic table is known as what?
Period
200
A bond in which electrons are transferred from one atom to another
Ionic Bond
200
Valence electrons are located here.
The outer-most energy level of an atom
300
A negatively-charged particle
An electron
300
Discovered the electron and created the blueberry muffin model of the atom
JJ Thomson
300
For columns 1-2 and 13-18, what does the column number tell us about the electrons?
The number of valence electrons
300
A bond that occurs between nonmetals
Covalent Bond
300
Created an atomic model in which electrons traveled in orbits around the nucleus
Neils Bohr
400
A neutral particle
A neutron
400
Realized the nucleus was too heavy to be made of just protons. Discovered the neutron.
James Chadwick
400
This is the name for group 17.
The halogens
400
A bond in which electrons roam freely from atom to atom
Metallic Bond
400
Explain how to determine if an element is a metal or a nonmetal using the periodic table.
Metals lie to the left of the staircase. Nonmetals (except hydrogen) lie to the right of the staircase.
500
The protons and neutrons are located here.
The nucleus
500
Used probability and math to determine that electrons are found in 3-D clouds around the nucleus
Erwin Schrodinger
500
The element in period 5 that will form an ion with a -2 charge.
Tellurium
500
Provide the correct chemical formula for the bonding of potassium and sulfur.
K2S
500
The name of a positive ion and a negative ion
Cation and Anion
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