1. Do most metals have few outer electrons? Answer with ‘yes’ or ‘no.’ 2. Are there metals with more than three outer

1. Do most metals have few outer electrons? Answer with ‘yes’ or ‘no.’
2. Are there metals with more than three outer electrons?
3. Is the atomic radius of metals smaller than that of nonmetals?
4. Does the activity of metals increase with the increase in atomic radius?
5. Does the activity of metals increase from left to right in a period?
6. Is potassium more active than sodium?
7. Do metals in the subgroups have as many electrons on their outermost shell as the group number?
8. In the series lithium-sodium-potassium, does the basic nature of oxides and hydroxides increase?
9. Are metals in the first A group called alkaline metals?
10. Do alkaline metals exhibit the most pronounced oxidizing properties?
11. Can metals both lose their outer electrons and accept foreign ones?
12. Does the activity of metals increase from top to bottom in the subgroup?
13. Is lithium the most active reducer?
14. Do aluminum and zinc form amphoteric oxides and hydroxides?
15. Do metals have free electrons in their crystalline lattice?
16. Are all metals good conductors of heat and electricity?
17. Are the most brilliant metals mercury and silver?
18. The more carbon in the iron alloy, the more ductile the alloy, right?
19. Does steel contain less than 2% carbon?
20. Is duralumin softer than aluminum?
21. In the electromotive series, do the most active metals stand at the beginning?
22. Do metals that come before hydrogen displace hydrogen from water and form hydroxides?
23. Do alkali and alkaline earth metals interact with the salts of less active metals in solutions?
24. Can copper displace silver from a solution of its salt?
25. Does magnesium react with hydrochloric acid?
26. Does mercury react with hydrochloric acid?
27. Do nitric acid and concentrated sulfuric acid react with metals both before and after hydrogen in the electromotive series?
28. Can iron react with aluminum oxide?
29. Can magnesium react with copper oxide?
30. Are the most refractory metals obtained by electrolysis?
31. Is coal used as a reducing agent in a blast furnace?
32. Is carbon dioxide used to extract metals from ores?
33. Is hydrogen not used as a reducing agent in metallurgy?
34. In hydrometallurgy, do they dissolve ores in alkalis?
35. In hydrometallurgy, is iron often used as the reducer for copper?
36. Is the corrosion of metals in acids not considered corrosion?
37. Does the presence of alkali in water accelerate the corrosion of iron?
38. Do metals corrode faster in saltwater than in freshwater?
39. If zinc coating on iron is damaged, will iron oxidize quickly, not zinc?
40. If the nickel coating on iron is damaged, will iron deteriorate primarily, not nickel?