Top answers

What is the difference between an alkane and and alkene

An alkane is a chain of carbons connected together by single bonds (-C-C-C-C-C-). All carbons have to have 4 bonds, so the carbons in the middle of the chain are attached to two other carbons, and two other ...
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Answered by Kathryn B. • Chemistry tutor
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What is a Lewis acid?

Electron pair donor
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Answered by Tamara O. • Chemistry tutor
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What are the 3 main variables within a scientific experiment?

• The independent variable is what you change throughout the experiment. Some examples of this may be temperature, pH, light levels or time. • The dependent variable is what is being measured. This is expect...
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Answered by Rachael Y. • Chemistry tutor
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Why does an atom have no overall charge?

In an atom, protons have a +1 charge. Electrons that orbit the nucleus have a -1 charge, the number of electrons equals the number of protons so the charges cancel.
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Answered by Martin R. • Chemistry tutor
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What is the atomic number of an atom and How many electrons are there in an atom of Nitrogen when it has an atomic number of 7?

The atomic number is equal to the number of protons in an atom. The number of protons in an atom is equal to the number of electrons in an atom so the number of electrons in nitrogen is 7 electrons
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