Mutual
They are balanced steadily which means they’re at the same point
A forest fire is considered a chemical change because of the changing of the wood by combustion, which is not a physical change.
B. A gram would have a lot more molecules of propane than a mole
Answer:
Electron configuration: [He] 2s²2p⁴
Explanation:
Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. Some points will be nice