What charge does Al typically have in ionic compounds, and why? A) +1, because in the ground state it has one unpaired electron.

B) +2, because it has two electrons in the 2s subshell .

C) +3, because it has three valence electrons.

D) +4, because it is in the fourth row of the periodic table.​

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Which suspect most likely committed the robbery and how do you know

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )