⚠️⚠️PLEASE HELP ASAP⚠️⚠️ A sodium atom and a sodium ion must have the
same number of
(1) neutrons (3) occupied principal energy
levels
(2) protons (4) outermost electrons

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How do you lengthen a pattern piece? (family and consumer science, sewing)