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# 27.13: N

Difficulty Level: At Grade Created by: CK-12
malleability
Can be stamped, hammered, forged, pressed or rolled into thin sheets.
mass
Measure of the amount of matter that an object contains.
mass number
The total number of protons and neutrons in an atom.
mass spectrometer
An instrument developed in 1918 by Arthur Jeffrey Dempster. Determines the masses of atoms, molecules, and molecular fragments.
matter
Anything that has mass and takes up space.
melting point
Temperature at which solid transitions to liquid.
meniscus
In a standing body of liquid, this is the curve in the top surface of the liquid.
miscible
Molecules mix well with one another, and form a homogeneous mixture.
mixtures
A physical combination of two or more pure substances. The proportions of the individual components may vary, and these components can be separated by physical methods.
molality
The mass of the solution. Moles of solute per kg of solvent. Abbreviated as “m.”
molar heat of fusion
The heat absorbed by one mole of a substance as it is converted from a solid to a liquid.
molar heat of vaporization
The heat absorbed by one mole of a substance as it is converted from a liquid to a gas.
molar mass
The mass of one mole of any given substance.
molar solubility
Molar solubility of a gas is expressed by taking the inverse of Henry’s Law constant (kH) and multiplying it by the partial pressure of the gas above the solution.
molarity
Total volume of solution. Moles of solute per liter of solution. Abbreviated as “M.”
mole fraction
Expressed as x. It is the amount of a component ni divided by the total amount of all components in a mixture ntot.
mole ratio
When we express the moles of reactants and products in terms of one another in a ratio.
molecular formula
A formula indicating the numbers and types of atoms in a molecule.
molecular orbital
The result of interactions of the atomic orbitals of the bonding atoms and are associated with the entire molecule.
monatomic
Ions that consist of a single atom with either a positive or negative charge.
monoprotic acid
Has one available hydrogen to react.
monosaccharide
One basic unit or one molecule.

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Date Created:
Sep 09, 2013