https://padlet.com/ibirocks212/z7xlg0a1ekgp Made with a warm hug en-us 2016-11-23 08:48:45 UTC 2016-11-23 08:54:16 UTC hello@padlet.com ibirocks212 https://padlet.com/ibirocks212/z7xlg0a1ekgp/wish/139530014 An atom is the smallest particle of an element which can exist. each element is made up of one type of atom. there are more than 100 different kinds of atoms.]]> 2016-11-23 08:49:25 UTC https://padlet.com/ibirocks212/z7xlg0a1ekgp/wish/139530014