Deck 2: Radiation Concepts

Question 1

Photon wavelength is

A)inversely proportional to photon velocity.
B)directly proportional to photon frequency C.
C)inversely proportional to photon frequency.
D)usually designated by the letter

Answer 1

inversely proportional to photon frequency.

Question 2

Isotopes have ____ mass numbers and ____ atomic numbers.

A)the same; the same
B)the same; different
C)different; the same
D)different; different

Answer 2

different; the same

Question 3

The nuclear particles that distinguish one element from another are the

A)neutrons.
B)protons.
C)gamma particles.
D)beta particles.

Answer 3

protons.

Question 4

The orderly arrangement of elements in the periodic table is based upon

A)atomic weights.
B)mass number.
C)neutron number.
D)atomic number.

Question 5

A period in the periodic table is

A)represented by a column.
B)vertical.
C)the principal quantum number.
D)determined by the valence electrons.

Question 6

If the photon frequency of electromagnetic radiation is increased tenfold, then the

A)velocity will increase times 10.
B)velocity will decrease to 10.
C)wavelength will increase times 10.
D)wavelength will decrease to 1/10.

Question 7

An element with an atomic number of 22 has how many electrons in the second principal quantum number level (L shell)?

A)22
B)10
C)8
D)2

Question 8

Groups of the periodic table

A)represent elements with the same outer electron configuration.
B)are horizontal.
C)represent elements with the same atomic density.
D)none of the above

Question 9

The unit of mass is the

A)m/sec.
B)kg.
C)mm.
D)cc.

Question 10

In a vacuum, electromagnetic radiation

A)has a velocity equal to the speed of light.
B)x-ray energy may be bent by a crystalline lens.
C)causes ionizations of air molecules.
D)is altered by a strong magnetic field.

Question 11

In the excitation process, electrons in an atom are moved to a/an ____ energy state.

A)lower
B)higher
C)incomplete
D)all of the above

Question 12

The atomic number is the number of ____ contained in the nucleus.

A)neutrons
B)electrons
C)protons
D)positrons

Question 13

An electron is ____ charged and has a mass of ____ amu(s).

A)positively; 1
B)negatively; 0.000548
C)neutral; 1
D)positively; 0.000548

Question 14

If the frequency of a wave is 1,000 hertz and is traveling at 50,000 m/sec, then its wavelength is

A)0.05 m.
B)0.5 m.
C)5 m.
D)50 m.

Question 15

Electromagnetic radiation with a frequency of 2,000 hertz would have a wavelength of

A)1/2,000 cm.
B)1.5 * 10^-7 cm.
C)1.5 * 10⁷ cm.
D)cannot be determined

Question 16

The maximum number of electrons found in any energy level (shell) at any point in time is calculated by the formula

A)V= I x R.
B)W = F x D.
C)N = amu x Z.
D)2n².

Question 17

Calculate the velocity of red light with a wavelength of approximately 4.0 nm (nm = 10^-9).

A)7.5 *10^-1 nm/sec
B)7.5 *10¹⁸ nm/sec
C)1.2 *10^-17 nm/sec
D)1.2 * 10¹ nm/sec

Question 18

An atom has an atomic number of 18 and a mass number of 38.Letting P = the number of protons and N = the number of neutrons, which of the following atoms is the isotope of this atom?

A)P = 18, N = 20
B)P = 18, N = 21
C)P = 20, N = 18
D)none of the above

Question 19

All of the following are true of electromagnetic energies EXCEPT:

A)They are illustrated as sinusoidal waves.
B)They possess both wave and particle characteristics.
C)The relationship between frequency and wavelength is direct and proportional.
D)They are arranged in an orderly spectrum according to frequency and wavelength.

Question 20

The sum of protons and neutrons in a nucleus is called the

A)electron number.
B)atomic weight.
C)quantum number.
D)mass number.

Question 21

Match the following items relating to the periodic table with the correct statement.
elements having the same chemical characteristics

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 22

All of the following are energy forms EXCEPT

A)sound.
B)thermal.
C)electrical.
D)nuclear.

Question 23

Match the following items relating to the periodic table with the correct statement.
It has a mass number of 207.

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 24

Match the following items relating to the periodic table with the correct statement.
an "L" to "K" transition would yield 31.45 keV of energy

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 25

Match the following atomic structure characteristics with the correct statement or definition.
A gain or loss of this atomic particle creates an isotope.

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 26

When comparing iodine (Z=53) with barium (Z=56),

A)barium has a lower k-shell binding energy.
B)iodine has more neutrons.
C)iodine has five (5) orbitals with electrons.
D)barium has fewer protons.

Question 27

Match the following items relating to the electromagnetic spectrum with the correct statement.
the transference of energy to an atom

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity

Question 28

All of the following are true of the substance glucose (C₆H₁₂O₆) EXCEPT:

A)The smallest subdivision of this molecule is glucose.
B)It is a compound.
C)It consists of three elements.
D)It may be broken down into one atom of glucose.

Question 29

Match the following atomic structure characteristics with the correct statement or definition.
Electrons moving around in specific orbitals demonstrates this energy.

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 30

Match the following atomic structure characteristics with the correct statement or definition.
A change in the number of these changes the identity of the element.

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 31

Match the following items relating to the periodic table with the correct statement.
Elements having the same principal quantum number are in this order.

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 32

Match the following items relating to the periodic table with the correct statement.
Its k-shell binding energy is -33.17 keV.

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 33

Match the following atomic structure characteristics with the correct statement or definition.
possesses a negative charge and minute mass

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 34

Match the following atomic structure characteristics with the correct statement or definition.
increases as the number of electrons and protons increases

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 35

Quarks may behave according to the ____ theory.

A)string
B)quantum
C)relativity
D)electromagnetic

Question 36

Match the following items relating to the periodic table with the correct statement.
It is determined by the number of electrons in the outermost shell of an atom.

A)tungsten
B)valence
C)molybdenum
D)iodine
E)barium
F)lead
G)families (groups)
H)periods

Question 37

If an electron is gained or lost from an atom, that atom becomes

A)an ion.
B)a new element.
C)an isotope.
D)unstable.

Question 38

Which of the following is not a basic characteristic of the wave equation?

A)velocity
B)wavelength
C)frequency
D)energy

Question 39

Match the following atomic structure characteristics with the correct statement or definition.
entirely concentrated in the nucleus

A)electron
B)neutron
C)proton
D)binding energy
E)kinetic energy
F)atomic mass
G)atomic number
H)isotope

Question 40

According to the "rule of octets"

A)eight energy levels have electrons.
B)eight protons occupy the outermost shell.
C)the valence shell is chemically inert.
D)both a and c

Question 41

Match the following items relating to the electromagnetic spectrum with the correct statement.
the product of frequency and wavelength

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity

Question 42

Match the following items relating to the electromagnetic spectrum with the correct statement.
can be long wavelengths in kilometers

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity

Question 43

Match the following items relating to the electromagnetic spectrum with the correct statement.
expressed as the height of the wave

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity

Question 44

Match the following items relating to the electromagnetic spectrum with the correct statement.
highly penetrating based upon frequency

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity

Question 45

Match the following items relating to the electromagnetic spectrum with the correct statement.
an expression of wavelength

A)infrared energy
B)gamma rays
C)radio waves
D)ultraviolet energy
E)excitation
F)lambda
G)amplitude
H)velocity