1. How do atoms and compounds differ from each other?
2. What is the primary purpose of classifying elements into groups and periods in the periodic table?
3. According to the course content, what is the primary basis for organizing elements into groups within the periodic table?
Atoms — smallest part?
Fundamental units of elements.
Chemical symbol — example?
O for oxygen, Na for sodium.
Element — composition?
Made of only one atom type.
Compound — formation?
Chemically combined different elements.
Periodic table — organization?
By atomic number, with groups and periods.
Groups — similar?
Elements share properties within a group.
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