atom
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æ
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(science) the smallest part of a chemical element that is found in the nature
Example
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The atom is composed of a nucleus containing protons and neutrons, surrounded by electrons.
Atoms of different elements have distinct properties based on their atomic structure.
molecule
m
m
o
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k
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ju
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the smallest structure of a substance consisting of a group of atoms
element
e
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ə
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m
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n
n
t
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a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties
gas
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g
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the state of a substance that is neither solid nor liquid
liquid
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w
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a substance such as water that flows freely, unlike a gas or a solid
solid
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d
a substance that is firm and has a certain shape, not like gas or liquid
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