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If a substance is composed entirely of one type of atom, it is known as a(n) _______.

A. isotope.
B. chemical element.
C. homogeneous mixture.
D. neutron.

asked
User Maelga
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1 Answer

5 votes
A substance is composed entirely of one type of atom, it is known as a Chemical element
because mixture contain more than one type of atom and it cannot be neutron or isotope
so correct option is B
hope it helps
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User Fky
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