Determine the charge of each ion. (a) oxygen ion with 10 electrons (b) aluminum ion with 10 elec

step 1 Okay, to determine the charge on each ion, we first need to figure out what the atomic number is

Determine the charge of each ion. (a) oxygen ion with 10...

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Key Concepts

Calculating Ion Charge

The charge of an ion is determined by subtracting the number of electrons from the number of protons. If there are more protons than electrons, the ion is positively charged; if there are more electrons than protons, the ion carries a negative charge.

Periodic Table and Elemental Identification

The periodic table provides essential information such as the atomic number, which is crucial for determining the charge of an ion. By referring to the periodic table, one can quickly identify the number of protons in an element and use that value to compute the net ionic charge after accounting for any electron gain or loss.

Atomic Number

The atomic number of an element represents the number of protons in its nucleus, serving as the unique identifier for that element. In a neutral atom, the electron count is equal to the atomic number, establishing a balance between positive and negative charges.

Neutral Atom and Ion Formation

A neutral atom has an equal number of protons and electrons. Ion formation occurs when this balance is disrupted—by either losing electrons, which creates a positive ion (cation), or gaining electrons, resulting in a negative ion (anion).

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