題目列表(包括答案和解析)
族周期 | Ⅰ | Ο | ||||||
1 | 1 H 1.008 | Ⅱ | Ⅲ | Ⅳ | Ⅴ | Ⅵ | Ⅶ | 2 He 4.003 |
2 | 3 Li 6.942 | 4 Be 9.012 | 5 B 10.81 | 6 C 12.02 | 7 N 14.01 | 8 O 16.00 | 9 F 19.00 | 10Ne 20.15 |
3 | 11Na 22.99 | 12Mg 24.31 | 13Al 27 | 14Si 28.09 | 15P 30.97 | 16S 32.06 | 17Cl 35.5 | 18Ar 39.95 |
下表是元素周期表的一部分,請(qǐng)你根據(jù)下表回答問題:
3Li 鋰 6.941 | 4Be 鈹 9.012 | 5B 硼 10.81 | 6C 碳 12.01 | 7N 氮 14.01 | 8O 氧 16.00 | 9F 氟 19.00 | 10Ne 氖 20.18 |
11Na 鈉 22.99 | 12Mg 鎂 24.31 | 13Al 鋁 26.98 | 14Si 硅 28.09 | 15P 磷 30.97 | 16S 硫 32.06 | 17Cl 氯 35.45 | 18Ar 氬 29.95 |
族周期 | Ⅰ | Ο | ||||||
1 | 1 H 1.008 | Ⅱ | Ⅲ | Ⅳ | Ⅴ | Ⅵ | Ⅶ | 2 He 4.003 |
2 | 3 Li 6.942 | 4 Be 9.012 | 5 B 10.81 | 6 C 12.02 | 7 N 14.01 | 8 O 16.00 | 9 F 19.00 | 10Ne 20.15 |
3 | 11Na 22.99 | 12Mg 24.31 | 13Al 27 | 14Si 28.09 | 15P 30.97 | 16S 32.06 | 17Cl 35.5 | 18Ar 39.95 |
1H (1.008 | 2He (4.003 | ||||||
3Li (6.941 | 4Be (9.01 | 5B (10.81 | 6C (12.01 | 7N (14.01 | 8O (16.00 | 9F (19.00 | 10Ne (20.18 |
11Na (22.99 | 12Mg (24.31 | 13Al (26.98 | 14Si (28.09 | 15P (30.97 | 16S (32.06 | 17Cl (35.45 | 18Ar (39.95 |
1H (1.008 | 2He (4.003 | ||||||
3Li (6.941 | 4Be (9.01 | 5B (10.81 | 6C (12.01 | 7N (14.01 | 8O (16.00 | 9F (19.00 | 10Ne (20.18 |
11Na (22.99 | 12Mg (24.31 | 13Al (26.98 | 14Si (28.09 | 15P (30.97 | 16S (32.06 | 17Cl (35.45 | 18Ar (39.95 |
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