Sifat Golongan Unsur Alkali Tanah
19.40
Diposting oleh Melany Christy
UNSUR | 4Be | 12Mg | 20Ca | 38Sr | 56Ba |
1. Konfigurasi elektron | [X] ns2 | ||||
2. Massa atom |
| ||||
3. Jari-jari atom (n.m) | |||||
4. Energi ionisasi (M � M+) kJ/mol (M � M2+) kJ/mol |
| ||||
5. Potensial oksidasi (volt) | | ||||
6. Keelektronegatifan | | ||||
7. Suhu lebur (oC) | Antara 650o - 1227o | ||||
8. Bilangan oksidasi | +2 | +2 | +2 | +2 | +2 |
This entry was posted on October 4, 2009 at 12:14 pm, and is filed under
IPA,
kimia,
kimia kelas 3,
Mata pelajaran Umum,
sma kelas 3,
Unsur-Unsur Alkali Tanah
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