What does the 3 indicate in 1s22s22p63s1? the third shell third sublevel last shell has 3 electrons 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 )

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".