BSA 12
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BSA 12 1
Latest content BSA 12
chemistry-pre-post-test-key.pdf Silliman Institute BSA 12
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Chemistry Basics Pretest Key Name ______________________________________ 1. Which of the following best describes atoms? a. Single celled organisms b. Smallest basic units of matter c. Parts of a nucleus d. Positively charged particles 2. Which of the following cannot be broken down by ordinary chemical means? a. Element b. Molecule c. Compound d. Bond 3. An ion is formed when an atom gains or loses: a. Protons b. Neutrons c. Bonds d. Electrons 4. Atoms connected by covalent bond...
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BSA 12•BSA 12