Help needed ASAP How many electrons in an atom could have these sets of quantum numbers?
n = 3
n= 5,6 = 0
n = 6,l = 2, ml= -1

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?