Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Relating to or denoting chemical bonds formed by the sharing of electrons between atoms.Often contrasted with ionic
- ‘Pairs of electrons that are not shared in covalent bonds are lone pairs.’
- ‘To complete an octet, each oxygen must share two electrons in a covalent bond.’
- ‘The three shared pairs of electrons between the two carbon atoms create a triple covalent bond.’
- ‘In a covalent diatomic molecule, a difference in the electronegativity of the atoms will result in a dipole moment.’
- ‘These rules are the result of assigning all electrons in a covalent bond to the more electronegative atom in the bond.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.