27.7. G http://www.ck12.org
27.7 G
gamma ray (γ)
Very high energy electromagnetic waves emitted from a nucleus.
gas
A form of matter that has neither a definite shape nor a definite volume.
gas pressure
The pressure that results from collisions of gas particles with an object.
Gay-Lussac’s law
A gas law which states that the pressure of a given mass of gas varies directly with the absolute temperature
of the gas when the volume is kept constant.
Geiger counter
A device that uses a gas-filled metal tube to detect radiation.
gene
A segment of DNA that carries a code for making a specific polypeptide chain.
geometric isomer
Molecules in which the order of atom bonding is the same but the arrangement of atoms in space is different.
Graham’s law
A gas law that states that the rate of effusion or diffusion of a gas is inversely proportional to the square root
of the molar mass of the gas.
ground state
The lowest energy state of the atom.
group
A vertical column of the periodic table.