8 Questions
What is the fundamental unit of an element that retains the chemical properties of that element?
Atom
What is the positively charged particle found in the nucleus of an atom?
Proton
Which subatomic particle is about 1836 times heavier than an electron?
Proton
What is the central part of an atom that contains protons and neutrons?
Nucleus
What is the term used to describe the total number of protons and neutrons in an atomic nucleus?
Atomic mass
Which scientist proposed the plum pudding model of the atom?
J.J. Thomson
What is the name of the process by which an atom gains or loses electrons, resulting in an electrically charged atom?
Ionic bonding
What is the quantum mechanical model of the atom based on?
Wave-particle duality of electrons
Test your knowledge of atomic structure with this quiz. Answer questions about subatomic particles, atomic nucleus, and scientific models of the atom.
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