Multiple Choice
Which element forms an ion that has 17 protons and 18 electrons?
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4. Atoms and Elements
Ions (Simplified)
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How is an ion different from a neutral atom?
A
An ion differs from a neutral atom because it has changed the number of protons in its nucleus, while a neutral atom has not.
B
An ion has a net electrical charge because it has gained or lost one or more electrons, while a neutral atom has equal numbers of protons and electrons.
C
An ion is always formed by gaining neutrons, while a neutral atom has no neutrons.
D
An ion always has more protons than electrons, while a neutral atom always has more electrons than protons.
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