Question

biochemistry 141 homework 10 (chapter 9) study polyatomic ions before you start this homework. for problems 1 - 10 supply the systematic names. 1. bao 2. p₂s₅ 3. ti(no₂)₃ 4. ni₃n₂ 5. sr(cn)₂

Explanation:

Step1: Identify metal and non - metal in BaO

Ba is barium (metal), O is oxygen (non - metal).

Step2: Name the compound

The compound is named barium oxide.

Step3: Identify elements in P₂S₅

P is phosphorus and S is sulfur.

Step4: Name the compound

It is diphosphorus pentasulfide.

Step5: Identify cation and anion in Ti(NO₂)₃

Ti is titanium (cation), NO₂⁻ is nitrite (anion). Titanium has a + 3 charge here.

Step6: Name the compound

It is titanium(III) nitrite.

Step7: Identify elements in Ni₃N₂

Ni is nickel and N is nitrogen. Nickel has a + 2 charge here.

Step8: Name the compound

It is nickel(II) nitride.

Step9: Identify cation and anion in Sr(CN)₂

Sr is strontium (cation), CN⁻ is cyanide (anion).

Step10: Name the compound

It is strontium cyanide.

Answer:

1. Barium oxide
2. Diphosphorus pentasulfide
3. Titanium(III) nitrite
4. Nickel(II) nitride
5. Strontium cyanide