Section Test #1 Review Flashcards

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1
Q

Atoms that have the same number of neutrons but different numbers of protons

A

Isotones

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2
Q

The degree to which a material can be magnetized is its:

A

Magnetic susceptibility

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3
Q

Any charged particle in motion creates a:

A

Magnetic field

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4
Q

What is the relation between the energy of a photon to its frequency?

A

Directly proportional

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5
Q

Heat is transferred from one location to another by:

A

Conduction, convection, radiation

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6
Q

What is the transfer of energy

A

Radiation

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7
Q

Electrification can be created by:

A

Contact, friction or induction

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8
Q

What is the smallest particle that has all the properties of an element?

A

Atom

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9
Q

What is the study of electric charges in motion?

A

Electrodynamics

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10
Q

What is one half of the range from crest to valley over which the sine wave varies?

A

Amplitude

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11
Q

Has the same atomic number and the same atomic mass number

A

Isomer

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12
Q

Any substance through which electrons flow easily

A

Conductor

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13
Q

Where do gamma rays come from?

A

Nucleus

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14
Q

Where do X-rays come from?

A

Electron cloud

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15
Q

The atomic mass number and the precise mass of an atom are:

A

Not equal

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16
Q

Objects that can be made into magnets by induction

A

Ferromagnetic

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17
Q

What is the only difference between X-rays and gamma rays?

A

The origin

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18
Q

The ability to do work

A

Energy

19
Q

The unit of electric potential

A

Volt

20
Q

What changes the intensity of alternating voltage and current?

A

Transformer

21
Q

What are atoms of various elements that may combine to form structures called?

A

Molecules

22
Q

What is not part of the electromagnetic spectrum?

A

Diagnostic ultrasound

23
Q

In their normal state, atoms are electrically:

A

Neutral

24
Q

What is the electric charge of an atom?

A

Zero

25
Q

The electric charge of a conductor is concentrated along the:

A

Sharpest curvature of the surface

26
Q

What is described by, the number of wavelengths that pass a point of observation per second?

A

Frequency

27
Q

What is the study of stationary electric charges?

A

Electrostatics

28
Q

Atoms that have the same atomic number but different atomic mass numbers

A

Isotopes

29
Q

The removal of an orbital electron from an atom

A

Ionization

30
Q

The SI unit of magnetic field strength

A

Tesla

31
Q

At a given velocity, wavelength and frequency are:

A

Inversely proportional

32
Q

The quotient of work by time

A

Power

33
Q

The kinetic energy of the random motion of molecules

A

Heat

34
Q

What is a coil of wire called?

A

Solenoid

35
Q

Atomic nuclei that have the same atomic mass number but different atomic numbers

A

Isobars

36
Q

The fundamental particles of an atom

A

Electron, proton, neutron

37
Q

The ability of a material to attract the lines of magnetic field intensity

A

Magnetic permeability

38
Q

What do X-rays behave as though they are?

A

Particles

39
Q

What is an xray photon a quantum of?

A

Electromagnetic energy

40
Q

What does visible light behave like?

A

A wave of

41
Q

Any material that does not allow electron flow

A

Insulator

42
Q

The imaginary lines of a magnetic field are always:

A

Closed loops

43
Q

A material that under some conditions behaves as an insulator and in other conditions behaves as a conductor

A

Semiconductor