Modern Chemists (9 janv. 1600 – 9 mai 2018)
Description:
Modern chemists started to break down substances to find new elements. Modern chemists have discovered that atoms are a group of protrons and neutrons collected in the middle of the atom with elecctons surronding it the atom is mostly empty space.Ajouté au bande de temps:
Date:
9 janv. 1600
9 mai 2018
~ 418 years