Calculate the wavelength (m) of light that has a frequency of 2.17 × 10^11 s-1 a) 1.38*10^-3
b) 6.51*10^19
c) 1.44*10^-22
d) 1.44*10^22
e) 1.38*10^3
f) none of the above

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

What’s the percent by mass of carbon in c10h14n2

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