Which of the following lists levels of organization in the universe from simplest to most complex? galaxies - star clusters stars - galaxy clusters
galaxy clusters galaxies star clusters stars

star clusters - galaxies - galaxy clusters stars
stars star clusters galaxies - galaxy clusters

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Displacement is the slope of a velocity vs. time graph a. true b. false