ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST Given that oxygen has an atomic number of 8.
How many protons and neutrons are in the isotope 16O, or oxygen-16?

16 protons and 0 neutrons
16 protons and 16 neutrons
8 protons and 7 neutrons
8 protons and 8 neutrons

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!