A. Strong & Weak nuclear forces which are attractive. And electromagnetic.
b. Because the more electronegative atom really wants to complete it's valence shell, so it either covalently, or non-covalently bonds to the other atom.
c. Ummm, ask google? Well, it's kind of logical as well, but the part that Coulomb's law plays into it - I do not know.
Amphibian means two-lives,<span> </span>Frogs<span> begin their </span>lives<span> in the water as eggs and then tadpoles after they get big enough </span><span>they are fully developed they live on land.</span>
Answer:
Al₄O₅
Explanation:
The key at the bottom tells us the blue spheres are oxygen atoms and the red spheres are aluminum atoms. By counting, there are 4 aluminum atoms and 5 oxygen atoms. Therefore, the formula is Al₄O₅.
