Answer by Taffybohl. Confidence votes 309. The correct term for referring to a group of cats is 'clowder.' Interestingly, there are also two other valid ways to refer to a group of cats, other than just saying group of cats or cats.. Those other two terms are 'clutter' and 'glaring.'.
Because the volume of each of the eight corner atoms is shared between eight adjacent cells, each BCC cell contains the equivalent volume of two atoms (one central and one on the corner). Each corner atom touches the center atom.
A Bcc (blind carbon copy; also BCC) is a copy of an email message sent to a recipient whose email address does not appear (as a recipient) in the message. By being hidden, Bcc recipients differ from To and Cc recipients, whose addresses do appear in the respective header lines.