Criminalistics

The presence of ________ __________in materials provides useful "invisible" markers when comparing physical evidence.

The ______ ________ is an instrument used to obtain & record the line spectrum of elements.

Three important subatomic particles of the atom are the:

The proton imparts the nucleus of an atom with a _______ charge.

As an electron falls back ffrom a higher to lower engery level, it emits _______.

X-ray diffraction patterns are obtained from _________ substances.

A _______ microscope consists of 2 lenses mounted at each end of a hollow tube.

A microscope having only one eyepiece is _______; one having 2 eyepieces is _______.

A side-by-side view of two specimens is best obtained with the _______ microscope.

The steroscopic miscroscope offfers a large _______ ________ between the objective lens and the specimen.

The _______ _________ microscope focuses a beam of electrons on a specimen to produce an image.