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The periodic table: organization and families — Homework
Use a periodic table for reference on every problem.
- 1.Are periods the rows or the columns of the periodic table?
- 2.Name the family for group 1 (excluding hydrogen) and describe its general reactivity.
- 3.Name the family for group 17 and describe its general reactivity.
- 4.Classify germanium as a metal, nonmetal, or metalloid, and explain how you know.
- 5.Explain in 2-3 sentences why Mendeleev's decision to leave gaps in his table was strong scientific reasoning rather than a weakness in his model.
🌲 Homeschool of the FutureTenth Grade · Science · week 10 homework