Atomic structure
Nomenclature
History of Chemistry
Equations
Chemistry Mystery Box
100
These two things can be found in the nucleus of the atom.
What are protons and neutrons?
100
The formula for hydrocyanic acid.
What is HCN?
100
Before chemistry existed as a discipline, much chemical inquiry was done in this similar pseudoscientific field.
What is alchemy?
100
moles / Liters
What is molarity?
100
If an atom of calcium has an atomic mass of 42 amu, this would be the number of neutrons it contains.
What is 22?
200
This is the outermost shell of electrons.
What is the valence shell?
200
This is the number of hydrogen ions that would be necessary to balance the charge of a phosphate ion.
What is 3?
200
This scientist discovered the presence of the nucleus in an atom by bombarding gold foil with radioactive alpha particles.
Who was Ernest Rutherford?
200
moles of solute / kg of solvent
What is molality?
200
This kind of electrochemical cell contains a salt bridge.
What is voltaic (galvanic)?
300
This is the maximum number of electrons that typically occupy the valence shell.
What is 8?
300
When hydrogen joins with ions that have the suffix -ite to form acids, the suffix changes to this.
What is -ous?
300
This scientist organized elements by mass and by property into the first periodic table.
Who was Dmitri Mendeleev?
300
Pressure and Volume are inversely proportional.
What is Boyle's Law?
300
This word in science means that a property is the same, regardless of the amount of substance you have.
What is intensive?
400
This is the maximum number of electrons that may occupy the third energy level.
What is 18?
400
These kinds of acids begin with the prefix "hydro-" and do not contain oxygen.
What are binary acids?
400
This element was named after the scientist who discovered radioactivity.
What is Curium?
400
Volume and Temperature are directly proportional.
What is Charles' Law?
400
This kind of radiation is the most dangerous type and requires a lead shield to protect a person from its effects.
What is gamma radiation?
500
These are the four types of atomic orbitals.
What are s, p, d, and f?
500
This is the numerical prefix for the number four as used in covalent nomenclature.
What is tetra-?
500
This element was named after the scientist who created the most popularly recognizable (although not the most accurate) model of the atom today.
What is Bohrium?
500
mass / volume
What is density?
500
This is the sum of the pH and the pOH for any acidic or basic substance.
What is 14?
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