izotopi

izotopi

Two or more varieties of the same chemical element. Isotopes have different masses because they have different numbers of neutrons (for example ¹⁸O and ¹⁶O), thus they have different physical and chemical properties. Unstable isotopes undergo radioactive decay.

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Частина мови: noun
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Галузь/тема: Astronomy
Category: Planetary science
Company: PSRD
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organizam

Astronomy; Planetary science

Any form of animal or plant life.

atmosfera

Astronomy; Planetary science

Mixture of gases that surround and are gravitationally attached to a planet.

lava

Astronomy; Planetary science

Fluid magma that flows onto the surface of a planet or moon; erupted from a volcano or fissure. Also, the rock formed by solidification of this material.

litosfera

Astronomy; Planetary science

Layer in a planetary body consisting of the crust and upper mantle.

kiseonik

Astronomy; Planetary science

An element with atomic number 8; symbol: O. It is actually the most common element in the crusts and mantles of the inner planets and rocky moons, making up all silicate minerals. ...

difuzija

Astronomy; Planetary science

The random movement (spreading) of molecules from regions of highest concentrations to regions of lowest concentrations.

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