Answer:
Explanation:
Cesium Lewis dot structure would look like this:
·Cs, because it only has one valence electron. But, since it has a plus, that means we lost an electron. So, we have to get rid of the dot and you have:
Sawing a board in half is a physical change not a chemical change the board doesnt change wood or whatever material it is is still would still be wood
If it were burned it would be a chemical change but its properties stay the same atomically so thats why its not a chemical change.
Answer:
to create oxygen and energy in the form of sugar
Explanation:
photosynthesis is the process by which plants use sunlight, water, and carbon dioxide
The answer is electrons !. Hope it helps !! :)
Definitely not D i would guess A or B
