көміртек

көміртек

Element 1, atomic weight 1.00797. The most abundant element in the universe. Hydrogen occurs as H2 at ambient temperature and pressure, a colorless, odorless, and extremely flammable gas. Discovered in 1766 by Cavendish.

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көміртек диоксиді

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An atmospheric gas which has in modern times made up approximately 0.03% of the atmosphere by volume. It is vital for photosynthesis and for its contribution to the greenhouse ...

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A gas used by all green plants and recycled by them to form wood and the oxygen we breathe. In very large quantities it can be poisonous to animal life.

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A colloid formed from tiny liquid droplets suspended in another, immiscible liquid. Milk is an example of an emulsion.

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An elementary particle produced by certain nuclear decay processes. Neutrinos have no charge and extremely small masses compared to other subatomic particles.

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A device that senses temperature changes by using a pair of joined wires made of dissimilar metals that produces a voltage that changes with temperature.