This question is about elements and compounds. Potassium reacts with chlorine to form potassium chloride. Write a symbol equation for this reaction. ..........................................................................................................................................
Exam No：0620_s24_qp_43 Year：2024 Question No：3(b)
Answer:
Knowledge points:
8.1.1. Describe the Periodic Table as an arrangement of elements in periods and groups and in order of increasing proton number / atomic number
8.1.2. Describe the change from metallic to non-metallic character across a period
8.1.3. Describe the relationship between group number and the charge of the ions formed from elements in that group
8.1.4. Explain similarities in the chemical properties of elements in the same group of the Periodic Table in terms of their electronic configuration
8.1.5. Explain how the position of an element in the Periodic Table can be used to predict its properties
8.1.6. Identify trends in groups, given information about the elements
Solution:
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