Valence electrons are the electrons located in the outermost shell
At STP, or standard temperature and pressure, 1 mol of any gas will take up 22.4 liters of space. Assuming STP, 4.5 moles of H2 will take up 100.8L.
Answer:
B
Explanation:
"I think my bike is making a scraping noise because the bearings are not lubricated."
1 to 1. Most small atoms have the same number of protons and neutrons
It's 1 because there is only one electron on the outer shell.
