Page 6 - Chemistry Terminologies SK015 & DK014_Chemistry Unit, KMNS
P. 6
Chemistry Terminologies
Chemistry Unit KMNS
QUANTISED ENERGY TENAGA TERKUANTUM Fixed or definite quantity of energy.
QUANTUM NUMBER NOMBOR KUANTUM Letters n, m, l and s used in quantum mechanical
model to describe the energy, shape, orientation of
atomic orbitals and spins of electrons respectively.
SUBSHELL PETALA An alternative name for each of the energy levels in a
particular shell; designated by s, p, d, f in order of
increasing energy.
WAVELENGTH ( ) PANJANG GELOMBANG ( ) =
The distance between identical points (such as two
adjacent peaks) on successive waves.
A photon checks into a hotel and is asked
if he needs any help with his luggage.
He says “No, I’m travelling light.”
Didn’t get it?
See page 16 for explanation!
5
