3 צפיות · 04/01/24
NEW Periodic table song - All 118 chemical elements - Hydrogen Oxygen Chemistry
0
0
19 צפיות·
02/05/24
#nguyenanngan
Learn the periodic table easily at all ages by either listening or looking at these pictures to learn the usages of each element.
להראות יותר
0 הערות
sort מיין לפי
3 צפיות · 04/01/24
