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What is the most common ionic charge of oxygen when it forms compounds?
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2. Atoms & Elements
Periodic Table: Charges
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What is the charge of the sodium ion (Na)?
A
-1
B
+2
C
+1
D
0
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Recall that sodium (Na) is an element in Group 1 of the periodic table, which means it has one electron in its outermost shell.
When sodium forms an ion, it tends to lose one electron to achieve a stable electron configuration similar to the nearest noble gas (neon).
Losing one electron results in a net positive charge because there is now one more proton than electrons in the ion.
Therefore, the charge of the sodium ion (Na) is +1, indicating it has lost one electron.
This is why the sodium ion is represented as Na\(\textsuperscript{+}\) or Na\(\textsuperscript{1+}\).
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