5 Questions
Which subatomic particle is found in the nucleus of an atom?
Proton
What determines the uniqueness of an element?
Atomic number
Which of the following elements is commonly found in living things?
Phosphorus
Which shell of an atom can hold the most valence electrons?
Noble gas shell
What are isotopes?
Atoms with different atomic masses
Test your knowledge of atoms and elements in this quiz! Learn about the smallest unit of an element, the structure of an atom, and the significance of atomic number and atomic weight. Keywords: atom, element, electron, nucleus, proton, neutron, atomic number, atomic weight.
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