Palepu Nageswara Rao on Instagram: "Meesaala pilla #periodictable Thanks for 1 million views✨❣️ #chemistry #manasivashankaravaraprasad #chiranjeevi #nayantara Lyrics: Hey periodic table You have seven periods in horizontal rows. Hey periodic table You have 18 groups in vertical columns. Number of protons is... atomic number. Protons + neutrons is...atomic mass. Metals are in left and center le... Non-metals are right side in table le... 118+ elements are in modern periodic table. Hey periodic ta