NEW Periodic table song - All 118 chemical elements - Hydrogen Oxygen Chemistry
0
0
19 ভিউ·
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.
আরো দেখুন
0 মন্তব্য
sort ক্রমানুসার