If an element has a low # of valence electrons, it tends to give them away while if they have a large # of them, they tend to gain electrons to become stable. For the first 20 elements on the periodic table, we can have up to: 2 electrons in the first shell (1s2), 8 […]
Science
Fundamentals of the Nervous System and Nervous Tissue
What neurons do and the different kinds of neurons and neuroglia (supporting cells) that exist.
Electrons shells and orbitals
planck-einstein equation, orbitals, aufban principle, shells, e- configuration, orbital diagram, ionization energy
Muscles of the Forearm
Anterior and posterior compartment muscles of the forearm.
Muscles of the Abdominal Wall
All about them abs.
Muscles of the thorax for breathing and the pelvic floor (the diaphragm!)
Muscles involved with breathing.
Muscles of the Neck and Vertebral Column
Sternocleidomastoid, scalenes, splenius, and erector spinae.
Muscles of the Head
Muscles that dictate facial expression and mastication (chewing).
Chemistry Part 6
Reactivity rules, solubility rules, single and double displacement
Understanding Moles and Empirical Formulas
The basics of moles and how to figure out empirical formulas.