1:11 play_arrow 004 Atomic Mass, Moles and Avogadro's number Curosity visibility 1 schedule 10 years ago favorite
1:16 play_arrow 003 Atomic Number, Mass Number and Isotopes Curosity visibility 23 schedule 10 years ago favorite
2:04 play_arrow 002 Introduction to the atom: Introduction to the atom Curosity visibility 5 schedule 10 years ago favorite
2:12 play_arrow 001 INTRODUCTION TO THE ATOM-ELEMENTS AND ATOMS Curosity visibility 14 schedule 10 years ago favorite