For every Oion, two Na ions are needed to balance charges. Which ratio represents the relationship between Na and O?
O 1 Na:1 0
1 Na:20
2 Na:10
2 Na:20

Who is better, messi or cristiano, i need this for a chemistry class. asap

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Why is nh3 classified as a polar molecule