What is the total number of protons contained in two oxygen atoms? I think it's 16, but I need another opinion.

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

What must happen before a body cell can begin mitotic cell division