Atomic Structure
Definitions
Acids & Bases
Symbols
Miscellaneous
100
This shell can hold only two electrons.
What is the first
100
The smallest particle of an element that retains the characteristics of that element.
What is an atom
100
These ions cause acidic properties.
What are hydronium ions
100
H
What is hydrogen
100
He came up with the "mole" concept.
Who is Avogadro
200
This shell can hold up to eight electrons.
What is the second
200
Two or more atoms, chemically bonded.
What is a molecule
200
These ions cause basic properties.
What are hydroxide ions
200
Na
What is sodium
200
He developed the periodic table.
Who is Mendeleev
300
This subshell can hold up to six electrons.
What is p
300
The sum of the protons and neutrons in the nucleus of an atom.
What is the mass number
300
The process of determining the concentration of an unknown acid or base by adding each until the endpoint is reached.
What is titration
300
K
What is potassium
300
The flask with the rounded base.
What is a Florence flask
400
This subshell can hold up to two electrons
What is s
400
The number of moles of solute per liter of solution.
What is molarity
400
The equation used in determining an unknown after the endpoint is reached.
What is VaNa=VbNb
400
Sn
What is tin
400
The curvature at the surface of water.
What is a meniscus
500
The terms for amu.
What is atomic mass unit
500
The common logarithm of the reciprocal of the hydronium ion concentration in moles per liter.
What is pH
500
The indicator that changes at a pH of 7 and is purple
What is phenolphthalein
500
Mn
What is manganese
500
The number of particles in a mole.
What is 6.02 X 10 to the 23rd power
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