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What is the basic unit of all matter?
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2. Atoms & Elements
The Atom
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Which positively charged particle is located at the center of the atom in the nucleus?
A
Proton
B
Positron
C
Neutron
D
Electron
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Begin by understanding the structure of an atom. An atom consists of a nucleus at its center, surrounded by electrons.
The nucleus contains two types of subatomic particles: protons and neutrons.
Protons are positively charged particles, while neutrons have no charge (they are neutral).
Electrons are negatively charged particles and are located outside the nucleus in electron clouds or orbitals.
Positrons are not typically found in the nucleus of an atom; they are antimatter counterparts to electrons and are not part of the standard atomic structure.
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