Multiple Choice
When writing the formula for an ionic compound, why must the total positive and negative charges balance?
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2. Atoms & Elements
Ions
Multiple Choice
Which type of elements typically form cations?
A
Noble gases
B
Nonmetals
C
Halogens
D
Metals
Verified step by step guidance1
Understand that cations are positively charged ions formed when an atom loses one or more electrons.
Recall that metals tend to have low ionization energies, meaning they lose electrons easily to achieve a stable electron configuration.
Recognize that nonmetals and halogens typically gain electrons to form anions (negatively charged ions), not cations.
Note that noble gases are generally inert and do not form ions under normal conditions because they have a full valence shell.
Conclude that metals are the elements that typically form cations due to their tendency to lose electrons.
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