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Quantum Numbers
Chemical Reactions
Chemical "Bond"ing
Laws and Principles
Composition Stoichiometry
100
The numbers that specify the properties of the atomic orbitals and the properties of electrons in the orbitals.
What are the quantum numbers?
100
A reaction in which a substance combines with oxygen releasing large amounts of energy in the form of heat and light.
What is a combustion reaction?
100
A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds atoms together.
What is a chemical bond?
100
Mass is neither created nor destroyed during ordinary chemical or physical reactions.
What is the law of the conservation of mass?
100
The amount of substance that contains as many particles as there are atoms in exactly 12 g of carbon-12.
What is mole?
200
The quantum number that has only two possible values to indicate the two fundamental spin states of an electron.
What is the spin quantum number?
200
A reaction in which a single compound produces two or more simpler substances.
What is a decomposition reaction?
200
Chemical bond resulting from the sharing of an electron pair between two atoms.
What is covalent bonding?
200
Chemical compound contains the same elements in exactly the same proportions by mass regardless of the size of the sample or the source of the compound.
What is the law of definite proportions?
200
Atoms of the same elements that have different masses.
What is isotope?
300
The quantum number that indicates the main energy level occupied by the electron.
What is the principle quantum number?
300
A reaction in which one element replaces a similar element in a compound.
What is a single replacement reaction?
300
The intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule.
What is hydrogen bonding?
300
If two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers.
What is the law of multiple proportions?
300
Calculations involving the mass relationships of elements in compounds.
What is composition stoichiometry?
400
The quantum number that indicates the orientation of an orbital around the nucleus.
What is magnetic quantum number?
400
A reaction in which the ions of two compounds exchange places in an aqueous solution to form two new compounds.
What is a double replacement reaction?
400
Chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons.
What is metallic bonding?
400
An electron occupies the lowest energy level that can receive it.
What is Aufbau's principle?
400
The mass of one mole of a pure substance.
What is molar mass?
500
The quantum number that indicates the shape of the orbital.
What is the angular momentum quantum number?
500
A reaction in which two or more substances combine to form a new compound.
What is a synthesis reaction?
500
Chemical bond resulting from electrical attraction between large numbers of cations and anions.
What is ionic bonding?
500
No two electrons in the same atom can have the same set of four quantum numbers.
What is Pauli's exclusion principle?
500
Measure of the amount of matter.
What is mass?