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What is the difference between, Phenol, Phenyl and Benzene
All 3 compounds are basic structures in Organic Chemistry, more precise: Aromatic Chemistry, as all of them have a benzene ring (having a benzene in compound is definition of Aromatic compound). That gives u...
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Reinis R.
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Identify and explain the trend in atomic radius across a period
The atomic radius across a period in the periodic table tends to decrease from left to right. As you move across a period the number of electrons from one element to the next increases by one. The electron i...
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Olavo M.
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Chemistry tutor
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What does the rate of chemical reactions depend on?
The rate of chemical reactions depends on the temperature, concentration of the reactants, size of the particles reacting and whether there are any catalysts present. When the temperature is increased, the a...
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Emma F.
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Chemistry tutor
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Why a sodium ion has a smaller radius than a sodium atom?
Let’s look closer at the sodium atom. Really close, so we could see. Atom is a neutral species, with 11 protons in the nucleus. We can find that information in the periodic table. 11 proton charge should be ...
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Igors D.
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Chemistry tutor
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In order for a chemical reaction to occur the particles must...
Collide, in the right orientation, with sufficient energy (more than the activation energy barrier)
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Neringa K.
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