GENERAL CHEMISTRY PLACEMENT TEST STUDY GUIDE QUESTIONS AND ANSWERS 2025 A+ GRADE molecule - ANS-two nonmetal atoms combined form a covalent compound called a diatomic molecules - ANS-H2,O2,F2 Matter - ANS-Anything that has mass and takes up space Element - ANS-A substance that cannot be broken down into simpler substances Compound - ANS-A pure substance made of two or more elements CHEMICALLY combined. Compound - ANS-Can be decomposed by chemically Mixture - ANS-A PHYSICAL blend of two or more components (aq) - ANS-aqueous mixture, a substance is dissolved in water homogeneous mixture - ANS-A mixture that is so evenly mixed that you can't see all of the different parts. Ex. Air, kool-aid heterogeneous mixture - ANS-...
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