Define divalent.

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Prepare for the ADEQ Water Treatment 2 Test. Study using comprehensive multiple-choice questions, with detailed hints and explanations. Master the material to ensure success!

Multiple Choice

Define divalent.

Explanation:
Divalent means having a valence of two. In chemistry, valence is the number of bonds an atom tends to form or the charge it typically carries in ionic form. When something is divalent, it can form two bonds or has a +2 or -2 charge. This is common for many metal ions in water treatment, like calcium and magnesium, which exist as Ca2+ and Mg2+. The sulfate ion also reflects divalence with a 2− charge. The idea isn’t about state of matter or a single charge; it’s about the ability to bond or balance with two partners.

Divalent means having a valence of two. In chemistry, valence is the number of bonds an atom tends to form or the charge it typically carries in ionic form. When something is divalent, it can form two bonds or has a +2 or -2 charge. This is common for many metal ions in water treatment, like calcium and magnesium, which exist as Ca2+ and Mg2+. The sulfate ion also reflects divalence with a 2− charge. The idea isn’t about state of matter or a single charge; it’s about the ability to bond or balance with two partners.

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