Final answer:
This question is about identifying metals and nonmetals based on their characteristics.
Step-by-step explanation:
1. Malleable: L-
2. Can have characteristics of both metals and nonmetals: L-
3. To the left of the periodic table: metal
4. Poor conductors of heat and electricity: nonmetal
5. Low boiling points: nonmetal
6. Mostly solids at room temperature: metal
7. Brittle: nonmetal
8. Lustrous and can form compounds with distinctive colors: metal
9. To the right of the periodic table (except noble gases): nonmetal
10. Good conductors of heat and electricity: metal
11. High boiling points: metal
12. Mostly gases at room temperature: nonmetal
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