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Atom

Definition

noun, plural:atoms

(physics, chemistry)

(1) The smallest unit of matter indivisible by chemical means.

(2) The fundamental building block of a chemical element.

(3) The smallest possible unit of an element that still has all the chemical properties of that element.


Supplement

An atom is consisting of a nucleus surrounded by one or more shells of electrons.


Word origin: from the Greek átomos, which means uncuttable, something that cannot be divided further.
Related forms: atomic (adjective).

Related terms:


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Results from our forum


Do We Have The Freedom Of Choice?

... I find free will as a logically valid matter to be debated, and by that I mean that we can (experimentally or theoretically) inspect that when an atom A bumps into an atom B, C happens and then we can debate whether these events are determined by one another of if there is a degree of uncertainty ...

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by biohazard
Mon Apr 08, 2013 9:08 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 26797

Re: Re:

Now, I may have not fully understood your example, as to me it still seems that you take the one exit you take based on the stimulus obtained from your environment. . . Determinism is a global thesis; a world is determined if the following three conditions obtain: 1) at all times the world has a de...

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by ughaibu
Sun Apr 07, 2013 9:14 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 26797

Re: Re:

... say if there is anything random in this world and I thought maybe some expert on this field might know better. As far as I know, all events on the atomic scale and above that are determined by other atomic level interactions and thus "deterministic" - i.e. in theory, with fine enough ...

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by biohazard
Wed Apr 03, 2013 9:13 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 26797

Creationism is not scientific

... and have no problem with other scientific theories, such at Gravity and Atomic Theory - we don't know why gravity occurs and no one has seen an atom. But it's their efforts to push their religion into schools that bother me - they encourage ignorance, which, to me, is the ultimate sin.

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by thoffnagle
Mon Dec 10, 2012 11:13 pm
 
Forum: Evolution
Topic: Creationism is not scientific
Replies: 24
Views: 16960

Theories - Origin of Life

... scientific method.Remember the Oparin theory and Muller/Urey applying the theory in a experiment. One rational method is "comparative anatomy between the sun/atomic system and the first cell system". Listing the differences and similarities, calculating the action of transformations ...

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by TheMatrixDNA
Sun Aug 05, 2012 12:57 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 887141
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