For each of the following crystalline solids, determine the number of atoms (or ions) per unit cell: Atoms/ions/cell: For ions either count the cations or anions (not both). (a). How many K atoms per cell

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Tell me the iupac name of the following compounds:

What are some natural measures of time