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Questions and Answers
What is the significance of the atomic number in chemistry?
What is the significance of the atomic number in chemistry?
It represents the number of protons in an atom.
How are the names of chemical elements represented?
How are the names of chemical elements represented?
Using various symbols consisting of one or two letters.
What are molecules and how are they defined?
What are molecules and how are they defined?
Molecules are groups of atoms held together by chemical bonds.
Give an example of a molecule of an element.
Give an example of a molecule of an element.
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Define a compound in chemistry.
Define a compound in chemistry.
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How are compound molecules different from molecules of an element?
How are compound molecules different from molecules of an element?
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What is the symbol Z used to represent in chemistry?
What is the symbol Z used to represent in chemistry?
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How are elements grouped based on the number of protons they contain?
How are elements grouped based on the number of protons they contain?
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Why do elements have specific one or two letter symbols?
Why do elements have specific one or two letter symbols?
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Where do some element symbols originate from?
Where do some element symbols originate from?
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