- Physical Sciences
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of electrons) to form a shared pair of electrons with another atom that has a vacant orbital in its valence shell during chemical bonding.
electrons that have become removed from the atom and form a âseaâ or region to which the...
a laboratory where the chain reaction is steady and controlled so that only one neutron is...
the scale used to compare the masses of atoms. Atoms are compared to carbon-12 atoms.