chemistry terms
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Last updated 2:32 PM on 2/17/26
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5 Terms
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What is an atom?
An atom is the basic unit of a chemical element, consisting of protons, neutrons, and electrons.
2
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What is a molecule?
A molecule is a group of two or more atoms bonded together by chemical forces.
3
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What are chemical reactions?
Chemical reactions are processes in which substances transform into new substances with different properties.
4
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What is the periodic table?
The periodic table is a tabular arrangement of chemical elements, organized by increasing atomic number.
5
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What is pH?
pH is a measure of the acidity or basicity of an aqueous solution, ranging from 0 (acidic) to 14 (basic).
