Multiple Choice
Which relationship is true of an uncharged (neutral) atom?
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4. Atoms and Elements
Ions (Simplified)
Multiple Choice
How does a neutral atom become an ion?
A
By forming a covalent bond that shares electrons equally with another atom
B
By gaining or losing protons in the nucleus while remaining the same element
C
By gaining or losing one or more electrons, resulting in a net charge
D
By gaining or losing neutrons to form an isotope with no net charge
Verified step by step guidance1
Understand that a neutral atom has an equal number of protons (positively charged) and electrons (negatively charged), resulting in no overall charge.
Recognize that ions are formed when an atom gains or loses electrons, which changes the balance between positive and negative charges.
Note that gaining electrons adds negative charge, creating an anion (negatively charged ion), while losing electrons removes negative charge, creating a cation (positively charged ion).
Realize that protons are located in the nucleus and do not change during ion formation; changing protons would change the element itself.
Conclude that the correct way a neutral atom becomes an ion is by gaining or losing one or more electrons, resulting in a net electrical charge.
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