1- 8 All set, 1s+2s also 3s+4s dance RH across ½ way. 2s+1s also 4s+3s dance ½ double Fig of 8 (2s and 4s cross down to start)
9-16 All dance reflection 'Cross-Over' reels of 4 (Men's side RSh and Ladies' side LSh, each couple crosses LH in centre of set when dancing up (crossing order 3421). All end on opposite sides (2)(1)(4)(3)
17-24 Top 3 couples (2s+1s+4s) dance ½ reels of 3 (1s out and up to start). 4s+1s also 2s+3s change places on sides (Men LH and Ladies RH) and set to person just passed. (1)(4)(3)(2)
25-32 All dance RSh 'Cross-Over' reels of 4, each dancer leaving top position Ladies' side and bottom position Man's side ½ turn RH quickly in centre of set to change places and join reel on own side. 2341
(MINICRIB, Dance Crib compiled by Charles Upton, Deeside Caledonian Society, and his successors)
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
The term covalence in regard to bonding was first used in 1919 by Irving Langmuir in a Journal of the American Chemical Society article entitled "The Arrangement of Electrons in Atoms and Molecules". Langmuir wrote that "we shall denote by the term covalence the number of pairs of electrons that a given atom shares with its neighbors.