Multiple Choice
At which of the following locations in an atom would you find a neutron?
2. Atoms & Elements
The Atom
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What is the smallest unit of an element that still retains the properties of that element?
A
Proton
B
Molecule
C
Electron
D
Atom
Verified step by step guidance1
Understand that elements are pure substances that consist of only one type of atom. Each element is defined by the number of protons in its atoms, known as the atomic number.
Recognize that an atom is the smallest unit of an element that retains the chemical properties of that element. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons.
Differentiate between atoms and other subatomic particles: protons, neutrons, and electrons are components of atoms, but they do not individually retain the properties of the element.
Consider that molecules are composed of two or more atoms bonded together. While molecules can represent compounds or elements, they are not the smallest unit of an element.
Conclude that the atom is the correct answer, as it is the smallest unit that retains the properties of an element, unlike protons, electrons, or molecules.
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