ap chemistry 2차 - unit 1
1. Which element reacts violently with water at 298 K? (A) Magnesium (Mg) (B) Aluminum (Al) (C) Potassium (K) (D) Silicon (Si) View Answer Correct Answer: (C) Potassium (K) Explanation: …
1. Which element reacts violently with water at 298 K? (A) Magnesium (Mg) (B) Aluminum (Al) (C) Potassium (K) (D) Silicon (Si) View Answer Correct Answer: (C) Potassium (K) Explanation: …
1. Which statement correctly explains why graphite is softer than diamond despite both being carbon allotropes? (A) Graphite has stronger covalent bonds within layers (B) Diamond lacks delocalized electrons (C…
1. Which of the following substances is expected to have the highest boiling point? (A) CH 4 (methane) (B) CO 2 (carbon dioxide) (C) NH 3 (ammonia) (D) H 2 O (water) View Answer Corr…
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