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.
HONG KONG â China warned on Friday that tensions on the Korean Peninsula could spin out of control, as North Korea said it could test a nuclear weapon at any time and a United States naval group neared the peninsula â an American effort to sow doubt in Pyongyang over how President Trump might respond.