Spectrometry +

Question 1

Flame Spectroscopy is used for the assay of other
elements or metals such as _______, _________
and ________ in blood

Answer 1

Potassium
Sodium
Calcium

Question 2

Used for determination of metals or metal containing compounds

Answer 2

Flame emission
Flame absorption

Question 3

Phenomenon in which a vibrating system or
external force drives another system to oscillate

Answer 3

resonance

Question 4

Light is _______________ within a certain
portion of the electromagnetic spectrum.

Answer 4

Electromagnetic radiation

Question 5

It is the term to define the complete system
of energy propagated in wave form.

Answer 5

Electromagnetic spectrum

Question 6

Refers to energy in the uv, visible, and ir regions of the electromagnetic spectrum.

Answer 6

Radiant energy

Question 7

Wavelength if radiant energies

Answer 7

UV = 200 – 380 nm
Visible = 380 – 780 nm
Near IR = 780 – 3000 nm
Medium = 3.0 – 15 um
Far IR = 15 – 300 um

Question 8

The region from 8 to 15 um because this
region gives a spectrum of the molecule as a
whole.

Answer 8

Fingerprint Region

Question 9

The region from 3 to 8 um, because the
absorption peaks which appear in this region are
due to functional groups

Answer 9

Group Frequency Region

Question 10

It is the radiation of a single wavelength.

Answer 10

Monochromatic radiation

Question 11

Monochromatic radiation is obtained by using?

Answer 11

Prism
Diffraction grating.

Question 12

Intensity of the transmitted radiant energy is
a function of the __________

Answer 12

concentration

Question 13

functional group which absorbs radiant
energy in the uv or vis regions

Answer 13

Chromophore

Question 14

It is the distance bet two atoms increases or
decreases

Answer 14

Stretching

Question 15

It is when the position of the atom changes
relative to the original bond axis

Answer 15

Bending (deformation)

Question 16

In plane is __________ while Out-of plane is _______

Answer 16

scissoring and rocking
wagging and twisting

Question 17

It is a small tube of circular or square cross section,
sealed at one end, and designed to hold a sample

Answer 17

Cuvette

Question 18

Thickness of Cuvette materials

Answer 18

Glass – 456 – 705 nm
Plastic – 380 – 780 nm
Fused quarts – below 380 nm