Answer:
The property of carbon to bond with another carbon is catenation.
A or C for number 4 and for number 5 it could be C
1) false called atoms
2) true
3) false atoms of the same element have the same mass while thise of different elements have different mass
4) true
5) true
6) false a new compound is formed
7) true
8) false from different elements
9) false can not be broken down
10) false more mass (not sure)
Total Pressure = A partial + B partial….
35+5+25 = 65.0 atm