Multiple Choice
A positive ion forms when an atom ______.
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2. Atoms & Elements
Ions
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After the transfer of the electron, sodium will form an ion with __________.
A
a charge of +1
B
a charge of +2
C
a charge of -1
D
a charge of 0
Verified step by step guidance1
Identify the element involved: Sodium (Na) is an alkali metal located in Group 1 of the periodic table.
Recall that sodium has one electron in its outermost shell (valence electron) which it tends to lose to achieve a stable electron configuration similar to the nearest noble gas.
Understand that when sodium loses one electron, it forms a cation (positively charged ion) because it now has more protons than electrons.
Determine the charge of the sodium ion by subtracting the number of electrons lost from the neutral atom's charge: since it loses one electron, the charge becomes +1.
Conclude that after the transfer of the electron, sodium forms an ion with a charge of +1.
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