Chemistry Vocab

Standard enthalpy of formation
Enthalpy change that occurs when one mole of the substance is formed from it’s elements in their standard states under standard conditions
Bond enthalpy
Energy needed to break one mole of bonds in gaseous molecules under standard conditions
Standard enthalpy of combustion
Heat produced when one mole of a substance is burned in excess oxygen under standard conditions
Enthalpy change of combustion
Heat produced when one mole of a substance is burned in excess oxygen
Relative atomic mass
Average mass of an atom of an element taking into account all it’s isotopes and their relative abundance compared to one atom of carbon 12
Ionization energy
Minimum energy require to remove an electron from the ground state of a gaseous atom, ion, or molecule
Specific heat capacity
The heat needed to increase the temperature of unit mass of material by 1 K
Electronegativity
Ability of an atom to attract electrons in a covalent bond