Chemistry Lesson: Atomic Number, Mass Number, and Isotopes

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In this lesson we discuss the atomic number, mass number, and isotopes of different elements. We also discuss how protons and neutrons can vary within an atom and what the difference is between mass number and atomic mass.

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Thank you :) your way of teaching is effective for me.

Squirrel-zqoe
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Glad to hear it, Ty! Spread the word and tell a friend!

GetChemistryHelp
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wow, thank you! I was having a challenging time with this concept but within 5 minutes of this video I completely understood! thank you so much

lisabraxton
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Thank you so much for your video! I was struggling so much in this lesson, i was very confused but thankfully I found your video! I love they way you teach, so clear and easy. thank you

anatamariz
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questions. Splitting of signals is cause by -
a) proton
b) neutron
c) positron
d) electron

priteshkhadse
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i always get the mass and atomic numbers confused :/

YourGirl_Nancyy
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