Arsenic, bismuth, and antimony were identified by alchemists during the Middle Ages, and later during the 1700 s, many more elements were found.
ಉದಾಹರಣೆಗೆ, ಗಣಿತೀಯವಾಗಿ ಕ್ರಮಬದ್ಧವಾಗಿರುವ ನಿಸರ್ಗದ ವಿಸ್ಮಯಗೊಳಿಸುವ ವಿನ್ಯಾಸವನ್ನು ಗಮನಿಸಿ.