Author Topic: Vocabulary  (Read 15039 times)

jkaur

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Re: Vocabulary
« Reply #105 on: May 12, 2015, 01:18:55 am »
elementary particles include electrons, upquark, downquark, muon, tau, gluon, topquark, photon..etc.

srihari14

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Re: Vocabulary
« Reply #106 on: May 12, 2015, 07:06:31 pm »
elementary particles also include charm and strange quarks :)

paulzhao99

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Re: Vocabulary
« Reply #107 on: May 14, 2015, 10:50:34 am »
Strong nuclear force: This is the force that holds nucleus together.

eshkul

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Re: Vocabulary
« Reply #108 on: May 14, 2015, 09:02:16 pm »
Nuclear - in the nucleus; anything that has to do with the nucleus of an atom.

~~~

alanapark1819

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Re: Vocabulary
« Reply #109 on: May 16, 2015, 02:05:08 pm »
isotope : an atom of a given element may have a wide range in its number of neutrons.

AdamH

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Re: Vocabulary
« Reply #110 on: May 19, 2015, 10:09:16 am »
Gamma particles- High energy photons (known as electromagnetic radiation) released usually due to gamma decay as high energy atomic nuclei transition to a lower (and more stable) state. Denoted by Greek letter  γ (gamma).

catherinetan100

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Re: Vocabulary
« Reply #111 on: May 19, 2015, 06:53:47 pm »
Isotope: An atom with a different number of neutrons

Jay lee

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Re: Vocabulary
« Reply #112 on: May 21, 2015, 09:07:45 am »
Half life: The half-life of a radioactive substance is the amount of time that it takes to lose half its radioactivity.

radhikas2000

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Re: Vocabulary
« Reply #113 on: May 21, 2015, 01:45:59 pm »
Carbon dating: is a variety of radioactive dating which is applicable only to matter which was once living and presumed to be in equilibrium with the atmosphere, taking in carbon dioxide from the air for photosynthesis.

SPodvisocka

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Re: Vocabulary
« Reply #114 on: May 21, 2015, 02:57:18 pm »
antimatter- any substance that, when combined with an equal amount of matter, results in the complete and direct conversion of all substance to energy aka the opposite of matter

swag2

jkaur

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Re: Vocabulary
« Reply #115 on: May 21, 2015, 08:42:53 pm »
Fision - radioactive decay; act of a simple particle breaking up into smaller particles

Mr. Hewes

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Re: Vocabulary
« Reply #116 on: May 21, 2015, 09:17:34 pm »
Carbon dating: is a variety of radioactive dating which is applicable only to matter which was once living and presumed to be in equilibrium with the atmosphere, taking in carbon dioxide from the air for photosynthesis.

PEOPLE DON'T PHOTOSYNTHESIZE!!

And carbon-14 is not carbon dioxide. I'm telling Dr. Khare.

Peter

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Re: Vocabulary
« Reply #117 on: May 29, 2015, 07:42:37 pm »
Positron
A subatomic particle with the same mass as an electron and a numerically equal but positive charge

rngo17

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Re: Vocabulary
« Reply #118 on: June 02, 2015, 07:51:25 pm »
Alpha Particle : Ionizing radiation ejected by the nuclei of some unstable atoms. They are large subatomic fragments consisting of two protons/neutrons.