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Questions and Answers
Which subatomic particle is the heaviest?
Which subatomic particle is the heaviest?
What defines an isotope of an element?
What defines an isotope of an element?
How many valence electrons does an element in Group 16 have?
How many valence electrons does an element in Group 16 have?
What is the octet rule?
What is the octet rule?
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What does the atomic number of an element represent?
What does the atomic number of an element represent?
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What is the molar mass of water (H₂O)?
What is the molar mass of water (H₂O)?
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Which type of ion has more electrons than protons?
Which type of ion has more electrons than protons?
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Which of the following correctly describes the shape of a p orbital?
Which of the following correctly describes the shape of a p orbital?
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Flashcards
Atomic Number
Atomic Number
The number of protons in the nucleus of an atom. It determines the element's identity.
Atomic Mass
Atomic Mass
The average mass of an atom of an element, taking into account the abundance of its isotopes.
Isotopes
Isotopes
Atoms of the same element with the same number of protons but different numbers of neutrons.
Atom
Atom
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Proton
Proton
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Neutron
Neutron
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Electron
Electron
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Cation
Cation
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