Question
What are the two factors of biosphere?
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| Element | Atomic number | Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
Find the mass of an object weighing 98 N