Defenitions Of Stuff Flashcards
Transition element
A d-block element which forms at least one stable ion with a partially filled d-sub shell
Isotope
Atom with the same number of protons but different number of neutrons
Relative atomic mass
Weighted mean mass of an atom of an element compared to 1/12 of the mass of an atom of carbon-12
Relative isotopic mass
Mass of an atom of an isotope of an element compared to 1/12 of the mass of an atom of carbon-12
Relative molecular mass
Average mass of a molecule compared to 1/12 of the mass of an atom of carbon-12
Relative formula mass
Average mass of a formula unit compared to 1/12 of the mass of an atom of carbon-12
Acid
Proton donor
Base
Proton acceptor
Oxidation
Loss of electrons
Reduction
Gain in electrons
Oxidising agent
Accepts electrons and gets reduced
Reducing agent
Donates electrons and gets oxidised
Ionic bond
Electrostatic attraction between two oppositely charged ions
Covalent bond
Strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms
Dative covalent bond
One atom provides both of the electrons