Question

What ​​is​​ a​ ​chemica l​​element?
A. A​ ​new​ ​substance​ ​produced​ ​in​ ​a​ ​chemical​ ​reaction
B. A​ ​pure​ ​substance​ ​made​ ​up​ ​of​ ​only​ ​one​ ​kind​ ​of​ ​atom
C. A​ ​chemical​ ​property​ ​of​ ​all​ ​types​ ​of​ ​matter
D. A​ ​physical​ ​property​ ​of​ ​all​ ​types​ ​of​ ​matter

Answer 1

Answer:

In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by any chemical reaction. ...

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