Explain why most metals have higher density than non-metals??

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Identify and describe the three ways that mutations affect organisms.

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)