There are 4 things that are evidence of a chemical change.
1)Change in color
2)Change in shape (gas being let out)
3)Change in temperature
4)Change in smell
Burning wood is a chemical change because it has a change in color, and shape.
Answer:
It would be 151.832775 because one mole is 44.0095*3.45 i hope this helps!
Explanation:
Answer:
O
Explanation:
they have O valence electrons
