An electron source is a bond or a lone pair of electrons. It is either a p bond or a lone pair on an atom of relatively high electron density in a molecule or ion, or a bond that must break during a reaction. An electron sink is an atom on a molecule or ion that can accept a new bond or lone pair of electrons.
What Military Threat Does North Korea Pose? It is impossible to say whether the recent threats from North Korea constitute a clear and immediate danger or whether the strong threats are just bluster in order to extract food aid and technical assistance from the international community.
Donald Trump warns that if China doesn't rein in North Korea, America will 'solve the problem' as US navy strike force dispatched. 01:02. North Korea tells America it's ready for 'war' after the US Navy makes 'reckless' show of force. Gallery. Gallery: Pictures of the Day: 11 April 2017.