Radiologic Physics

Front 1

Its characterized by mass and quantity

Back 1

Matter

Front 2

Described as matter's energy equivalence

Back 2

Mass

Front 3

Force exerted by a body under the influence of gravity

Back 3

Weight

Front 4

Is a pure chemical substance consisting of one type of atom distuinguished by its atomic number

Back 4

Element

Front 5

How many elements has been identified?

Back 5

112

Front 6

How many elements that are identified naturally occuring?

Back 6

92

Front 7

Where does the 20 manmade elements been produced?

Back 7

High energy accelerators

Front 8

Composed of two or more element that are chemically linked in definite proportion

Back 8

Compounds

Front 9

Smallest unit which chemical element can be broken down without losing its chemical identity

Back 9

Atom

Front 10

Ability to do work

Back 10

Energy

Front 11

The ability to do work by virtue of position

Back 11

Potential energy

Front 12

It is possessed by all matters in motion

Back 12

Kinetic energy

Front 13

Is the energy released by the way of chemical reaction

Back 13

Chemical energy

Front 14

Represents the work that can be done when an electron or an electronic charge moves through a electric potential

Back 14

Electrical energy

Front 15

Is the energy in motion at the atomic or molecular level and in this regard can be viewed as kinetic energy of atoms

Back 15

Thermal energy

Front 16

Is the type of energy in xray

Back 16

Electromagnectic energy

Front 17

Attraction toward the nucleus and the centrifugal forces associated with the fast electrons

Back 17

Electrostatic attraction or force

Front 18

Relativity of protons

Back 18

1.836

Front 19

Relativity of electron

Back 19

1

Front 20

Relativity of neutron

Back 20

1.838

Front 21

Weight of electron

Back 21

1.109x10^-31 kg

Front 22

Weight of protons

Back 22

1.673x10^-27 kg

Front 23

Weight of neutron

Back 23

1.675x10^-27 kg

Front 24

Atomic Mass Unit of electron

Back 24

0.000549 AMU

Front 25

Atomic Mass Unit of proton

Back 25

1.00728

Front 26

Atomic Mass Unit of neutron

Back 26

1.00867

Front 27

Has the same mass as an electron but carries a positive charge

Back 27

Positron

Front 28

A combination of one proton and one neutron

Back 28

Deuteron

Front 29

Two proton and two neutron form a stable combination known as?

Back 29

Alpha particle

Front 30

What principle says that no two orbital electrons in an atom move with exactly the same motion

Back 30

Pauli's exclusion principle

Front 31

Equation to compute for electron limit per shell

Back 31

2n²

Front 32

Physicist called the shell number as

Back 32

Principal quantum number

Front 33

The removal of orbital electron from the atom

Back 33

Ionization

Front 34

Any type of radiation capable of removing or ejecting electron from the atom with which it interacts is called

Back 34

Ionizing radiation

Front 35

The strenght of attachment of an electron to a nucleus

Back 35

Electron binding energy

Front 36

Alphabetical abbreviation of elements

Back 36

Chemical symbol

Front 37

In a chemical symbol, "A" is a abbreviation for?

Back 37

Atomic Mass Number

Front 38

Abbreviation for Atomic Mass Number

Back 38

"A" Capital

Front 39

It is the number of protons plus the number of neutrons

Back 39

Atomic Mass Number - A

Front 40

Z+N

Back 40

A - Atomic Mass Number

Front 41

Z+N

Back 41

A - Atomic Mass Number

Front 42

Other term for Atomic Mass Number

Back 42

Nucleon number

Front 43

Symbol for atomic number

Back 43

"Z" Capital

Front 44

Indicates the number of protons in nucleus

Back 44

Atomic Number - "Z"

Front 45

It is also the number of electrons in a neutral atom

Back 45

Atomic Number - "Z"

Front 46

Number of atomic mass number minus the number of neutrons.

Back 46

Atomic number - "Z"

Front 47

A-N=

Back 47

"Z" - Atomic Number

Front 48

Neutron Number symbol

Back 48

"N"

Front 49

Number of atomic mass number minus the the atomic number

Back 49

Neutron Number - "N"

Front 50

Equation to get the atomic mass number "A"

Back 50

Atomic number "Z" + Neutron number "N"

Front 51

Equation to get the neutron number

Back 51

Atomic mass number "A" - Atomic number "Z"

Front 52

Equation for atomic number

Back 52

Atomic Mass Number - Atomic Number

Front 53

A specific nuclear species with a given proton and neutron number

Back 53

Nuclide

Front 54

Nuclide that has the same atomic number but different atomic mass number

Back 54

Isotope

Front 55

Nuclide that have the same neutron number but different number of proton.

Back 55

Isotones

Front 56

Nuclide that have the same atomic mass number but different atomic number

Back 56

Isobar

Front 57

Nuclides that have the same atomic number and same atomic mass number but different in physical state

Back 57

Isomers

Front 58

Force that attracts only

Back 58

Gravitational force

Front 59

Acts in a mass through an associated gravitational field

Back 59

Gravitational force

Front 60

Gravitational force is expressed by what law?

Back 60

Newton's Law

Front 61

Forces that attracts and repels

Back 61

Electrostatic force and magnetic force

Front 62

Electrostatic force acts in a associated *blank*

Back 62

Electric field

Front 63

Force that acts in a pole through an associated magnetic field

Back 63

Magnetic force

Front 64

Associated with alpha and beta decay

Back 64

Gamma decay

Front 65

Alpha and beta decay usually leaves the product nucleus in excited state.These go down to there ground state by emitting what?

Back 65

Gamma rays

Front 66

Transfer of energy to an orbital electron, causing it to be ejected from the atom.

Back 66

Internal conversion

Front 67

A decay involving neither the emission nor the capture of a particle.

Back 67

Isometric transition

Front 68

In isometric transition, the nucleus simply changes from a higher to lower energy level by emitting what?

Back 68

Gamma proton

Front 69

The period of time required for a quantity of radioactivity to be reduced to one half of it's original value

Back 69

Physical half-life or radioactive half-life

Front 70

The time required for the body to eliminate one half of the dose of any substance by the regular process of elimination

Back 70

Biological half-life

Front 71

The time required for the radioactivity from a given amount of radioactive element deposited in the tissues or organs to diminish 50% as a result of the combined action of radioactive decay and loss of material by biological elimination

Back 71

Effective half-life

Front 72

Equation for effective half-life and biological half-life

Back 72

Front 73

The number of nuclear transformation per unit time

Back 73

Activity

Front 74

Equation for activity

Back 74

Front 75

Half-life equation

Back 75

Front 76

Decay constant

Back 76

Front 77

Fixed or stationary electric charges

Back 77

Electrostatic

Front 78

The electric charge that is associated with electron and a proton have the _____ magnitude but _____ signs.

Back 78

Same, opposite

Front 79

All electric charges deals with?

Back 79

Negative electric charges

Front 80

An object is said to be electrified if it has an ____ or an ____ of electron

Back 80

Insufficient,excess

Front 81

It occurs because of the movement of negative electric charges

Back 81

Electrification

Front 82

What are the electrostatic laws?

Back 82

1. Unlike charges attract, like charges repel.

2. Coulomb's law.

3. Electric charge distribution.

4. Electric charge concentration.

Hint 82

There are four

Front 83

Uncharged matter is ____ by charged matter

Back 83

Unaffected

Front 84

What law represents the magnitude of the electrostatic force?

Back 84

Coulomb's law

Front 85

This law states that the electrostatic force is directly proportional to the product of the electrostatic charges and inversely proportional to the square of the distance between them.

Back 85

Coulomb's law

Front 86

What is the Coulomb's law equation?

Back 86

Front 87

When a diffuse nonconductor object becomes electrified; the electric charges are distributed throughout the object.

Back 87

Electric charge distribution

Front 88

Some atoms exists in a abnormally excited state are characterized by an?

Back 88

Unstable nucleus

Front 89

If one or more of the orbital electrons are removed from an atom by radiant energy and the remaining part has a surplus of positive charge; this damage atom is called?

Back 89

Positive Ion

Front 90

If the removed electrons attach themselves to other neutral atoms or if they stay free, they are called?

Back 90

Negative Ion

Front 91

What are the 3 fundamental forces in nature?

Back 91

1. Gravitational Force

2. Electrostatic Force

3. Magnetic Force

Front 92

What process do atoms undergo to reach stability, where the nucleus spontaneously emits particles and energy and transforms itself into another atom?

Back 92

Radioactive Disintegration or Radioactive Decay

Front 93

What do you call the atoms that are involved in radioactive decay?

Back 93

Radionuclides

Front 94

Term for nuclear arrangement?

Back 94

Nuclide or nuclei

Front 95

It is the emission of particles and energy in order to become stable.

Back 95

Radioactivity

Front 96

What are the 2 types of Radioactivity?

Back 96

1. Natural Radioactivity

2. Artificial Radioactivity

Front 97

What are the 3 modes of radioactive decay?

Back 97

1. Alpha Decay

2. Beta Decay

3. Gamma Disintegration Process

Front 98

Radioactive Decay results in emission of _,_,&_?

Back 98

1. Alpha Particle

2. Beta Particle

3. Gamma Rays

Front 99

Mode of Radioactive Decay that emits 2 protons and 2 neutrons?

Back 99

Alpha Decay

Hint 99

Screenshot

Front 100

Mode of Radioactive Decay where neutron changes to proton when the nucleus has an excess of neutrons?

Back 100

Beta-Minus Decay

Hint 100

Screenshot

Front 101

Mode of Radioactive Decay where proton changes to neutron when the nucleus has an excess of protons.

Back 101

Beta-Plus Decay

Hint 101

Screenshot

Front 102

Mode of Radioactive Decay where the nucleus captures one of the orbital electrons (usually K-electron) which converts a proton into a neutron.

Back 102

Electron Capture

Hint 102

Screenshot