AICE Marine unit 1 vocab

Atomic number

the number of protons contained in the nucleus of an atom

Colligative properties

physical properties of a solution that depend only on the concentration of dissolved solute particles, regardless of their chemical identity.

Covalent bond

chemical bond that involves the sharing of electron pairs between atoms

Density

a measure of the mass of a defined volume of water

Dissolution

the process of being dissolved

Electron

a negatively charged subatomic particle that orbits the nucleus of an atom

Hydrogen bond

a weak bond between two molecules due to the electrostatic attraction between a hydrogen atom in one molecules and an atom of oxygen, nitrogen or fluorine in the other molecule

Ion

an atom or molecule that has ,ost or gained one or more electrons creating an electrical charge

Ionic bond

chemical bond that involves the attraction between two oppositely charged ions

Neutron

a neutral subatomic particle contained within the nucleus of an atom

Nucleus of an atom

positively charged central core of an atom that is madde of protons and neutrons

Polar

when opposite sides of a molecule have contrasting electrical charges

Proton

a positively charged subatomic particle contained within the nucleus of an atom

Rule of Constant Proportions

a chemical compound is always made of the exact same elements in the exact same weight ratio

Solubility

the ability of a solute to dissolve within a solvent (such as water)

Solute

a solid that dissolves in a solvent

Solvent

a substances which is able to dissolve other substances

Specific heat capacity

the heat required to raise the temp of the unit mass of a given substance by one degree celsius

Valence electron shells

electrons located in the outermost electron shell of an atom