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Which Statement is the BEST definition of an atom? A. Anything that has mass and occupies space. B.The smallest particle that has the properties of an element. C.A substance that cannot be broken down chemically all of the properties characteristic of that substance. D.The smallest unit of a substance that exhibits all of the properties of that substance

Samantha Barber

in Chemistry

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Jeremy Wood on October 7, 2018

The correct option is B. All the elements are made of atoms. Atom refers to the smallest particle of an element that have the properties of that element. Each atom of an element has three sub particles which are the protons, neutrons and electrons. Protons and neutrons are inside the nucleus of the atom, while the electron is outside the nucleus, and the electrons have negative charge and are in constant motion around the nucleus. Proton has a positive charge, while the neutron is neutral. Is that the electrons are in the elements that take part in chemical reactions.


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