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.
BCC: blind carbon copy to tertiary recipients who receive the message. The primary and secondary recipients cannot see the tertiary recipients. Depending on email software, the tertiary recipients may only see their own email address in BCC, or they may see the email addresses of all primary and secondary recipients.