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.
LCL injuries may also occur in conjunction with injuries to other ligaments of the knee, such as an anterior cruciate ligament (LCL) injury, a medial collateral ligament (MCL) injury or a posterior cruciate ligament (PCL) injury.CL injuries may also occur in conjunction with injuries to other ligaments of the knee, such as an anterior cruciate ligament (LCL) injury, a medial collateral ligament (MCL) injury or a posterior cruciate ligament (PCL) injury.