An atom is:

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Study with the DAT Bootcamp Molecules and Fundamentals of Biology test. Use flashcards and multiple choice questions with hints and explanations to prepare effectively.

Multiple Choice

An atom is:

Explanation:
An atom is the basic unit of matter that retains the properties of an element. It’s the smallest piece of an element that still behaves like that element in chemical reactions. Atoms have a dense nucleus containing protons and neutrons, with electrons circling around in regions called orbitals. The arrangement of these electrons, especially the outermost ones, governs how atoms bond with others to form molecules. So an atom isn’t a large unit of matter, it isn’t a unit of energy, and it isn’t a molecule—molecules are made when atoms bond together.

An atom is the basic unit of matter that retains the properties of an element. It’s the smallest piece of an element that still behaves like that element in chemical reactions. Atoms have a dense nucleus containing protons and neutrons, with electrons circling around in regions called orbitals. The arrangement of these electrons, especially the outermost ones, governs how atoms bond with others to form molecules. So an atom isn’t a large unit of matter, it isn’t a unit of energy, and it isn’t a molecule—molecules are made when atoms bond together.

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