A substance whose aqueous solutions conduct electricity.
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Ozone
We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.
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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
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Harmful Chemicals Found In Food
It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...
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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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Lanthanide Contraction
A decrease in the radii of the elements following the lanthanides compared to what would be expected if there were no f-transition metals.
Thermal Cracking
Decomposition by heating a substance in the presence of a catalyst and in the absence of air.
Alpha Particles
A helium nucleus.
Alkylbenzene
A compound containing an alkyl group bonded to a benzene ring.
Chemical Kinetics
The study of rates and mechanisms of chemical reactions and of the factors on which they depend.
yttrium metal
Any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups.
Insoluble Compound
A very slightly soluble compound.
Homologous Series
A series of compounds in which each member differs from the next by a specific number and kind of atoms.
Saccharide
An organic compound containing a sugar or sugars.
Cathode Ray Tube
Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.
