Questions: Will these ions make compounds? Li^1+ ? Ca^2+ and F^1- ? O^2- ? O^2- and Cl^1- ?

Transcript text: Will these ions make compounds? $\mathrm{Li}^{1+}$ ? $\mathrm{Ca}^{2+}$ and $\mathrm{F}^{1-}$ ? $\mathrm{O}^{2-}$ ? $\mathrm{O}^{2-}$ and $\mathrm{Cl}^{1-}$ ?

Solution

Solution Steps

Step 1: Determine Compound Formation for

\mathrm{Li}^{1+}

$\mathrm{Li}^{1+}$ is a cation with a single positive charge.
It can form ionic compounds by pairing with anions that have a negative charge.
However, the question does not provide a specific anion to pair with $\mathrm{Li}^{1+}$ , so we cannot determine a specific compound.

Step 2: Determine Compound Formation for

\mathrm{Ca}^{2+}

and

\mathrm{F}^{1-}

$\mathrm{Ca}^{2+}$ is a cation with a charge of $+2$ .
$\mathrm{F}^{1-}$ is an anion with a charge of $-1$ .
To form a neutral compound, two $\mathrm{F}^{1-}$ ions are needed to balance the charge of one $\mathrm{Ca}^{2+}$ ion.
The resulting compound is $\mathrm{CaF}_2$ .

Step 3: Determine Compound Formation for

\mathrm{O}^{2-}

$\mathrm{O}^{2-}$ is an anion with a charge of $-2$ .
It can form ionic compounds by pairing with cations that have a positive charge.
However, the question does not provide a specific cation to pair with $\mathrm{O}^{2-}$ , so we cannot determine a specific compound.

Final Answer

$\mathrm{Li}^{1+}$ : Cannot determine a specific compound.
$\mathrm{Ca}^{2+}$ and $\mathrm{F}^{1-}$ : $\boxed{\mathrm{CaF}_2}$
$\mathrm{O}^{2-}$ : Cannot determine a specific compound.
$\mathrm{O}^{2-}$ and $\mathrm{Cl}^{1-}$ : Cannot determine a specific compound.

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