Multiple Choice
When chlorine forms an ion, how many electrons does it gain or lose?
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2. Atoms & Elements
Ions
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Which term describes an atom or a group of bonded atoms that has a positive or negative charge?
A
Ion
B
Molecule
C
Isotope
D
Element
Verified step by step guidance1
Understand that the question asks for a term that describes an atom or a group of bonded atoms carrying a positive or negative charge.
Recall that an atom or group of atoms with a charge is called an ion, where the charge results from the loss or gain of electrons.
Recognize that a molecule is a neutral group of atoms bonded together, not necessarily charged.
Know that an isotope refers to atoms of the same element with different numbers of neutrons, not related to charge.
Confirm that an element is a pure substance consisting of only one type of atom, which may or may not be charged, but the term itself does not imply charge.
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