physics 1-3 Word Scramble
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Question | Answer |
the periodic tablet is based on what? | the atomic number (number of protons) |
how fast does electromagnetic energy travel? | the speed of light |
are x-rays monoenergetic? | no |
are x-rays polyenergetic? | yes |
are x-rays electrically charged? | no, neutral |
can you focus x-rays with a lens? | no |
two types of mechanical energy? | potential and kinetic |
can mechanical energy be converted into chemical energy? | yes |
are x-rays able to travel in a vacuum? | yes |
what does the glass envelope of the tube do? | acts as a vacuum |
what is atomic mass? | protons + neutrons |
what is quantum number? | number of shells (replaced lettering of shells) |
x-rays ionize matter? TRUE OR FALSE | TRUE |
when an atom gives up or gains an electron? | isotopes |
atom that gains or losses and electron? | ion |
energy needed to remove an electron? | binding energy |
3 types of energy that radiology involves? | potential, kinetic, electromagnetic |
atomic number? | number of protons, represented by the letter Z |
smallest particle that has all the properties of an element? | atom |
material that has definite and constant composition? | substance |
how many naturally occurring elements are there? | 92 |
do isotopes have the same or different mass numbers? | different |
do isotopes have the same or different atomic number? | same |
smallest particle of a compound? | molecule |
smallest particle of an element? | atom |
who is dmitri mendeleev? | invented periodic table |
anything that has mass and occupies space | matter |
matter that composes atoms? (all have the same atomic number) | element |
smallest component of an element? | atom |
determines the properties and chemical reactivity of an element? | valence electrons |
amount of matter contained in an object? | mass |
described the atom as looking like plum pudding and that electrons are part of all atoms? | JJ Thomsom |
who is known for calling center of atoms nucleus, designed nuclear models? | rutherford |
developed miniature solar system, electrons in orbits? | bohr |
discovered elements contain identical atoms? | dalton |
photon or bundle of energy in quantum chromodynamics theory? | quarks |
Newton's 3 laws? | 1)inertia, 2)force applied to move an object is = to the mass of the object x the acceleration, 3)action/reaction |
x-rays are highly penetrating, invisible rays which are a form of electromagnetic radiation? TRUE OR FALSE | TRUE |
x-rays are electrically neutral? TRUE OR FALSE | TRUE |
x-rays travel in wavy lines? TRUE OR FALSE | FALSE |
The law of conservation energy states? | matter and energy can't be destroyed or created |
energy needed to remove an electron is called? | binding energy |
Created by:
srehrauer
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