Calcium (Ca) is most likely to lose an electron when becoming an ion because it is a metal (Option B).
How can elements be classified?
In the periodic table, elements can be classified in 3 big groups.
- Metals: they tend to lose electrons to form cations.
- Non-metals: they tend to gain electrons to form anions.
- Noble gases: they are stable so they do not tend to gain or lose electrons.
Who is most likely to lose an electron when becoming an ion?
A. Iodine (I). No, since Iodine is a non-metal.
B. Calcium (Ca). Yes, since calcium is a metal.
C. Nitrogen (N). No, since nitrogen is a non-metal.
D. Helium (He). No, since helium is a noble gas.
Calcium (Ca) is most likely to lose an electron when becoming an ion because it is a metal (Option B). Specifically, calcium forms a cation.
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