15 the electronegativity difference between the atoms in a molecule of hcl can be used to determine(1) the entropy of the atoms
(2) the atomic number of the atoms
(3) the first ionization energy of the atoms
(4) the polarity of the bond between the two atoms

Chemistry worksheet - i am not sure what they are asking for exactly?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?