atomski broj

atomski broj

The number of protons in an atomic nucleus.

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Category: General physics
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Avogadrov broj,, broj atomski 12 grameni carbonu

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The number of atoms in 12 grams of carbon 12. The number of atoms in a gram-atom (mass in grams numerically equal to the atomic weight) or the number of molecules in a ...

atomski radijus

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One half the distance between nuclei of atoms of the same element, when the atoms are bound by a single covalent bond or are in a metallic crystal. The radius of atoms obtained ...

atomski sat

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A highly-accurate clock which measures time by the frequency of electromagnetic radiation produced by a single caesium 133 atom.

koordinacioni broj

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The number of bonds formed by the central atom in a metal-ligand complex.

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It is equal to one-twelfth the mass of C -12 isotope of carbon, 1 amu = 1.66x 10-27 Kg.

balmerove linije

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Lines in the spectrum of hydrogen atom in visible range, produced by transition between n 2 and n = 2, n is the principal quantum no.

bar

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A unit of pressure, equal to 105 Pascals.

barion

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subatomic particle composed of three quarks.

takt

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A phenomenon of the periodic variation in the intensity of sound due to superposition of waves differing slightly in frequency.

linije sile

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Lines drawn to make an electric field strength map, with each line originating on a positive charge and ending on a negative charge; each line represents a path on which a charge ...