How do you calculate and determine atomic number, mass number, and net charge? Atomic number is the number of protons in an atom. Mass number is the number of neutrons in an atom, and net charge describes how the protons and electrons balance out. Tip: This isn't the place to ask a question because the teacher can't reply.
PCL Tear Symptoms & Diagnosis. 1  Pain. Mild to moderate pain in the knee can cause a limp, knee âgiving outâ, or difficulty walking. 2  Swelling. Within hours of the injury, knee will swell rapidly. 3  Instability. Feeling of a loose knee and not stable when standing or walking.
Symptoms of LCL Injury. Symptoms of an LCL injury can be mild or severe, depending on the severity of the sprain or whether or not it is torn. If the ligament is mildly sprained, you may not have any symptoms at all. For a partial tear or complete tear of the ligament, your symptoms may include: 1  swelling in the knee.ymptoms of an LCL injury can be mild or severe, depending on the severity of the sprain or whether or not it is torn. If the ligament is mildly sprained, you may not have any symptoms at all. For a partial tear or complete tear of the ligament, your symptoms may include: