Bohr-Rutherford Periodic Table (11-20 Elements)
Keywords
chemistry,
atom,
electron,
atomic,
nucleus,
science,
sodium,
magnesium,
aluminium,
silicon,
phosphor,
sulfur,
cles,
argon,
potassium,
calcium,
periodic table,
element,
chemical,
diagram,
shell,
model,
orbit,
formula,
solar system,
scientific,
theory,
quantum