Answer:
1. Rn
2. Group number 18
3. Radon is a nobel gas and a non-metal
4. Mercury
5. Group number 12
6. Mercury is a transition metal
7. Pb
8. Astatine
9. Group number 17
10. Hf
11. Group number 4
12. Hafnium is a transition metal
13. Bohrium
14. Bohrium is a transition metal
15. Fe
16. Group number 8
17. Germanium
18. H
19. Group number 1
20. Hydrogen is a non-metal
Explanation:
i assure you that my answers are all correct you can check it if you doubt my answers, hope it helps. mwua
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Answers & Comments
Answer:
1. Rn
2. Group number 18
3. Radon is a nobel gas and a non-metal
4. Mercury
5. Group number 12
6. Mercury is a transition metal
7. Pb
8. Astatine
9. Group number 17
10. Hf
11. Group number 4
12. Hafnium is a transition metal
13. Bohrium
14. Bohrium is a transition metal
15. Fe
16. Group number 8
17. Germanium
18. H
19. Group number 1
20. Hydrogen is a non-metal
Explanation:
i assure you that my answers are all correct you can check it if you doubt my answers, hope it helps. mwua