Physics: Unit 1; Creating The Beam: ch 2: radiation concepts

Question 1

1) What is it called when an atom never has more than 8 electrons in an outer shell?
2) What is it called when Some atoms Begin to fill in the next shell before maximum reached?

Answer 1

1) octet rule

2) cascade effect

Question 2

1) The ability to do work?

2) the definition of work is?

Answer 2

1) energy

2) work= force x difference

Question 3

1) What energy is the action of physical movement?

2) what are the two types?

Answer 3

1) Mechanical energy
2) potential
Kinetic

Question 4

Energy an object has due to its position is what type of mechanical energy?

Answer 4

Potential

Question 5

The energy of motion is what type of mechanical energy?

Answer 5

Kinetic

Question 6

Which energy is the energy released from chemical reaction?

Answer 6

Chemical

Question 7

Which energy is a combo of electric and magnetic field traveling through space and is man made?

Answer 7

Electromagnetic energy (EM)

Question 8

What is the distance between two successive points on a wave?

Answer 8

Wavelength

Question 9

Cycles per second (CPS) is measured in?

Answer 9

Hertz

Question 10

Wavelengths are measured in?

Answer 10

Angstrom

Question 11

Frequency is measured in

Answer 11

Hertz

Question 12

Waves are disturbances in a medium as what theory?

Answer 12

Wave theory

Question 13

Velocity is measured by

Answer 13

Velocity= frequency x wavelength

Question 14

Who discovered x-rays?

Answer 14

Wilhelm Conrad rontgen

Question 15

1) Planck’s constant Describe the relationship between photons _______ and _______?
2) What is the formula and what physicist discovered planck’sconstant?

Answer 15

1) energy and frequency

2) E=hv ( photon energy, plancks constant, photon frequency) Max Planck

Question 16

What is it one photons come in and knock out an electron?

Answer 16

Particle

Question 17

What theory interacts like particle when contacting matter, has a high frequency and a high energy EM radiation?

Answer 17

Particle theory

Question 18

Physics studies that the relationship between

Answer 18

Matter and energy

Question 19

What is energy

Answer 19

Is force used to do work

Question 20

What is the smallest particle of a compound possessing characteristics

Answer 20

Molecules

Question 21

What is the smallest particle of an element

Answer 21

Atom

Question 22

What is the law Einstein created

Answer 22

Law of conservation of matter and energy

Question 23

What is the formula for the law of conservation of matter and energy

Answer 23

E=mc squared

Question 24

What do each letter mean in E=mc squared

Answer 24

E= energy
M=mass
C= constant - speed of light in a vacuum

Question 25

What is it when energy is emitted in transferred through matter

Answer 25

Radiation

Question 26

How do x-rays travel (speed)

Answer 26

At the speed of light (in a vacuum)

Question 27

What is the ancient Greeks atomic theory

Answer 27

Air, water, earth, fire

Question 28

Which atomic theory separated elements based on mass and lead to Mendeleev’s development of the periodic table

Answer 28

Dalton’s atomic theory (1800’s)

Question 29

Which atomic theory concludes a dense, positive nucleus surrounded by negative electrons

Answer 29

Rutherfords atomic theory (1911)

Question 30

Which atomic theory believed the solar system was miniature

Answer 30

Bohr’s atomic theory (1913)

Question 31

Which atomic structure is small, dance center and contains nucleons, protons, neutrons

Answer 31

Nucleus

Question 32

Which atomic structure orbits a nucleus and is negatively charged

Answer 32

Electrons

Question 33

What are Protons and neutrons made up of?

Answer 33

Quarks

Question 34

Define quantum physics

Answer 34

Electrons cannot be divided

Question 35

Define physics

Answer 35

Science of nature (energy and matter)

Question 36

What are responsible for almost all mass of an Atom

Answer 36

Protons, neutrons

Question 37

What happens to and electron in order to then become a photon

Answer 37

Let’s hit the anode and go out a port window

Question 38

What distinguishes elements by numbers of protons contained in a nucleus

Answer 38

Atomic number (Z#)

Question 39

Maintained through equal number of protons and electrons is called

Answer 39

Electrical stability

Question 40

What is the number of protons and neutrons in and Atom called

Answer 40

Atomic. Mass (A#)

Question 41

Changing the what number, change is the element

Answer 41

Changing the Z number

Question 42

What is the natural occurring gas that is found in homes and cigarettes

Answer 42

Radon

Question 43

What is the worst particle and causes nothing but damage

Answer 43

Alpha

Question 44

What is a gain or loss of number of neutrons that results in what

Answer 44

Isotope

Question 45

What is it called atoms have the same number of protons and atomic number

Answer 45

Isotopes

Question 46

Adding or removal of an electron from an atom OR When x-ray photons can interact with and atom resulting in injection of an electron is called?

Answer 46

Ionization

Question 47

What defines location where electron might be at all given time

Answer 47

Orbital

Question 48

What is the electron capacity

Answer 48

2n squared

Question 49

What dissipates ( increasing mending point) heat, Is used in the x-ray tube, the anode/Filament is made by it and it’s atomic number is 74

Answer 49

Tungston

Question 50

The closer electron is to the nucleus the higher the binding energy is called

Answer 50

Binding energy

Question 51

What KVP at least, must be used to remove an inner shell electron

Answer 51

70 KVP

Question 52

The energy of one electron was accelerated by one vote is called

Answer 52

``` Electron volts (eV) (the way you measure binding energy) ```

Question 53

In the periodic table what indicates elements having the same number of electron shells

Answer 53

Horizontal periods

Question 54

In the periodic table what has the same number of electrons in the outer (valence) shells

Answer 54

Vertical groups