Rutherford		An explanation based on many tests.
Ultraviolet		Last name of scientist who discovered the nucleus.
Infrared		Type of electrons in the outermost energy level of an atom.
electroncloud		Last name of chemisty who gave us the law of conservation of matter.
proton		Regions of space in which electrons can move about the nucleus.
radiowaves		The space around the nucleus of an atom where electrons are found.
valence		Type of waves that cause sunburn.
lewisdotstructure		A fact of nature that is observed so often it is accepted as truth.
Visiblelight		Type of wave energy given off by the human body and other warm objects.
neutron		Neutral particle found in the nucleus of an atom.
proust		Type of waves that travel at the speed of light through space.
gammarays		Greek philosopher who first coined the idea of the atom.
Democritus		A testable prediction to explain an observation.
hypothesis		Last name of scientists who discovered electrons.
nucleus		Type of waves that pass through soft body tissues but stopped by bones.
Lavoisier		Number of protons in an atom's nucleus.
Xrays		The sum of protons and neutrons in an atom.
mass number		Forms of the same element with different numbers of neutrons.
atomic number		The four basic elements of matter according to the ancient Greeks [no spaces between words].
scientificlaw		A way of illustrating valence electrons.
theory		Positively charged subatomic particle.
isotopes		Small, dense, positively charged central core of an atom.
energylevels		Type of waves with highest frequency and shortest wavelength.
energy		Waves transfer ____?
Thomson		Part of the spectrum our eyes are sensitive to.
airearthfirewater		Waves with the lowest frequencies of the spectrum.
electromagnetic		Last name of chemisty who gave us the law of definite proportions.