Multiple Choice
How many ions with a +1 charge are required to bond with one ion that has a -2 charge to form a neutral compound?
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2. Atoms & Elements
Ions
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What type of ion has lost an electron and therefore carries a positive charge?
A
Cation
B
Isotope
C
Radical
D
Anion
Verified step by step guidance1
Understand the definition of an ion: an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.
Recall that when an atom loses one or more electrons, it has more protons than electrons, leading to a positive charge.
Recognize that an ion with a positive charge is called a cation.
Differentiate this from an anion, which is an ion that has gained electrons and carries a negative charge.
Note that isotopes refer to atoms of the same element with different numbers of neutrons, and radicals are species with unpaired electrons, so neither describes a positively charged ion.
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