Atomic Number, Mass Number, and Net Electric Charge The Organic Chemistry Tutor 11:41 2 years ago 245 269 Далее Скачать
GCSE Chemistry Revision "Atomic Number and Mass Number" Freesciencelessons 5:33 1 year ago 78 717 Далее Скачать
How to Find the Mass Number of an Element Wayne Breslyn (Dr. B.) 2:40 4 months ago 8 310 Далее Скачать
Atomic Number & Mass Number | Properties of Matter | Chemistry | FuseSchool FuseSchool - Global Education 3:23 12 years ago 663 720 Далее Скачать
Atomic number, Atomic mass, Mass number: What's the difference? Joao's Lab 6:38 1 year ago 25 976 Далее Скачать
GCSE Chemistry - Elements, Isotopes & Relative Atomic Mass #2 Cognito 7:01 5 years ago 575 126 Далее Скачать
Atomic Number & Mass Number | Properties of Matter | Chemistry | FuseSchool FuseSchool - Global Education 3:50 10 years ago 114 058 Далее Скачать
What's the Difference between Mass Number and Atomic Mass? Tyler DeWitt 8:57 12 years ago 636 764 Далее Скачать
Nuclide Symbols: Atomic Number, Mass Number, Ions, and Isotopes Professor Dave Explains 5:04 9 years ago 807 925 Далее Скачать
How to find the Protons Neutrons and Electrons of an element on the Periodic table MooMooMath and Science 4:23 4 years ago 680 363 Далее Скачать
GCSE Physics Revision "Atomic and Mass Numbers" Freesciencelessons 4:09 7 years ago 305 301 Далее Скачать
How To Calculate The Number of Protons, Neutrons, and Electrons - Chemistry The Organic Chemistry Tutor 13:12 6 years ago 2 548 851 Далее Скачать
Atomic Number, Atomic Mass, and the Atomic Structure | How to Pass Chemistry Melissa Maribel 5:53 7 years ago 301 286 Далее Скачать
Mass Number l 1 to 30 Elements ll Atomic mass ll HONEST MENTOR Honest Mentor 4:50 2 years ago 90 147 Далее Скачать
Trick to Learn Atomic Masses of First 30 Elements of the Periodic Table Najam Academy 6:47 1 year ago 713 093 Далее Скачать
How to work out numbers of Protons, Neutrons and Electrons Science Chomp 3:59 4 years ago 76 203 Далее Скачать