The chemical is SnBr4 I’m pretty sure
Answer:31
Explanation: Hope this helped.
Answer:
you need to move one of the dots from Ca to the one at Cl like the arrows show
Explanation:
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.