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Which of the following best describes the charge of an electron?
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2. Atoms & Elements
The Atom
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Which term describes a pure substance that is made up of only one type of atom?
A
Molecule
B
Compound
C
Element
D
Mixture
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Understand the definitions of the terms given: A molecule is two or more atoms bonded together, which can be the same or different types of atoms.
A compound is a pure substance made up of two or more different types of atoms chemically bonded together.
An element is a pure substance that consists of only one type of atom, meaning all atoms have the same atomic number.
A mixture is a physical combination of two or more substances that are not chemically bonded and can be separated by physical means.
Since the question asks for a pure substance made up of only one type of atom, the correct term is 'Element'.
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