A -ion (negative ion, one with extra negative charge )

Iwill give brainliest if you answer right : )

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Most short-period comets do not have randomly oriented orbits because