21 by \( 11: 59 \mathrm{pm} \) Peints 100 Submitting an external tool Aittempts 1 Allowed Athempts 3 Write the formula for the ionic co-pound formed from Ba and N. (Type subscripts and auperscripes as ordinary numbera. Type charge sign-first. For example, FejOy nould be typed as FezO2, and Fe \( \mathrm{e}^{+3} \) would be typed Fe+3.) The positive ion in the compound is The negative ion in the compound is The formula of the isnic compound is
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For each of the following ions, indicate the total number of protons and electrons in the ion. For the positive ions in the list, predict the formula of the simplest compound formed between each positive ion and the oxide ion. Name the compounds. For the negative ions in the list, predict the formula of the simplest compound formed between each negative ion and the aluminum ion. Name the compounds. a. $\mathrm{Fe}^{2+}$ b. $\mathrm{Fe}^{3+}$ c. $B a^{2+}$ d. $C s^{+}$ e. $S^{2-}$ f. $P^{3-}$ g. $\mathrm{Br}^{-}$ $\mathbf{h} . \mathbf{N}^{3-}$
For each of the following ions, indicate the total number of protons and electrons in the ion. For the positive ions in the list, predict the formula of the simplest compound formed between each positive ion and the oxide ion. Name the compounds. For the negative ions in the list, predict the formula of the simplest compound formed between each negative ion and the aluminum ion. Name the compounds. a. $\mathrm{Fe}^{2+}$ b. $\mathrm{Fe}^{3+}$ c. $\mathrm{Ba}^{2+}$ d. $\mathrm{Cs}^{+}$ e. $\mathrm{S}^{2-}$ f. $\mathrm{P}^{3-}$ g. $\mathrm{Br}^{-}$ h. $\mathrm{N}^{3-}$
Write the formulas for the four ionic compounds that can be made by combining the cations $\mathrm{Mg}^{2+}$ and $\mathrm{Fe}^{3+}$ with the anions $\mathrm{PO}_{4}^{3-}$ and $\mathrm{NO}_{3}^{-} .$ Name each compound formed.
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