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.
Asked earlier this week about North Korea's call for a peace treaty, the State Department reiterated its position that it remained open to dialogue with North Korea but said the onus is on North Korea to take meaningful actions toward denuclearization and refrain from provocations..