This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Here are the solutions to the questions from the image: 1. Which of the following statements is true when a potassium atom forms its ion? A neutral potassium atom (K) has 19 electrons. To form a stable ion, it loses one electron to become a potassium ion (K^+) with 18 electrons. This electronic configuration is the same as that of the noble gas Argon (Ar), which has a stable octet. The correct option is C. 2. The formula of element X having 19 electrons with oxygen is An element with 19 electrons is Potassium (K). Potassium is in Group 1 and typically forms a X^+ ion (loses one electron). Oxygen ✂️ _That answer was long and got cut off. Reply continue and I'll finish it._