Because atoms are the small and can't be seen by your eyes. It is so small that scientists need to use a model. A model help scientists study things. So, scientists needs to study atoms using models.
4FeS2 + 11O2-> 2Fe2O3 + 8SO2
Not sure.... I think this is it
Answer:
2 atoms of aluminium makes a molecule of aluminium
The characteristic bright-line spectrum of an element is produced when its electrons return to lower energy levels To be in the ground state all electrons must be in their lowest energy state; all excited atoms must lose energy. The lost energy appears in the form of light. Hope this helped :)
Answer:
breathing
Explanation:
Your welcome lol
hope this helps :) pls give brainliest
