What's the structure of methane, CH4? Is it polar or non-polar? A) Trigonal planar, polar B) Trigonal planar, non-polar C) Tetrahedral, polar D) Tetrahedral, non-polar

How many grams of magnesium metal will react completely with 8.3 liters of 5.5 m hcl? show all of the work needed to solve this problem. mg (s) + 2hcl (aq) → mgcl2 (aq) + h2 (g)

Compare and contrast the bohr model and the electron cloud models of the atom.

All cells are made of four types of acids, lipids, proteins, and carbohydrates.