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1. An atom with an electron configuration of 1s2 2s2 2p3 has how many valence electrons?

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Sample Questions for the Chemistry Placement Test The chemistry placement test is used to assess your present level of general chemistry knowledge in addition to your mathematical …

Chemistry Placement Exam Answered Rated A+ Latest Update How many total atoms are in the formula Al2 (CO3)3?

PRACTICE CHEMISTRY PLACEMENT EXAM 1. How many of the numbers below have 5 significant figures? 0.0054 19.000

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Nov 12, 2025 · The Toledo Chemistry Placement Exam is designed to evaluate how well you are prepared for General Chemistry. The exam evaluates your general math and algebra skills as …