Atomic History
Who made the first SCIENTIFC atomic theory?
John Dalton
What does a Lewis Dot Structure represent?
The Valence electrons in an atom
What does the pH scale measure?
The acidity or basicity of a solution
What words is Redox a combination of?
Reduction and Oxidation
What is the name for how big an atom is?
Atomic Radius
What experiment did Ernest Rutherford do?
The Gold Foil Experiment
What do the dots represent in a Lewis Dot Structure?
Valence electrons
What does a pH of 7 show on the pH scale?
Neutral Solution
What does Reduction mean?
Gaining electrons
Which element has the highest electronegativity?
Fluorine
Who created the Plum pudding model?
J.J Thompson
What does a single line between atoms represent?
A single covalent bond
What is the range of the pH scale?
0 to 14
What are oxidation numbers used for?
Tracking electrons
What does Ionization energy do?
Ionization energy subtracts or removes atoms.
What is the most accurate atomic model?
The Quantum Model
How many valence electrons does an oxygen atom typically have? (atomic number 8)
6 Valence electrons
What ion makes something more basic?
Hydroxide
What is the oxidation number of Fluorine?
Fluorine is always -1.
What is electron shielding?
The ability of an atom's inner electron to shield its nucleus
Who discovered the concept of atoms?
Democritus
What is the Octet rule?
The rules that states atoms bond to reach a total of 8 valence electrons.
Solutions with a high amount of H3O+ ions have what kind of pH?
Low pH
What must all the oxidation numbers add up to in a neutral compound?
The sum in a neutral compound is always 0.
What is the difference between an Anion and a Cation?
A cation is an ion with a positive charge, while an Anion is an ion with a negative charge.