Atomic Weight (Relative Atomic Mass): Sample Calculation & vs. atomic mass, mass number, molar mass

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Chemistry Lesson 2.3

Subatomic particles
Periodic Table
Mass number
Isotope
Atomic weight vs. atomic mass vs. mass number vs. molar mass
Sample calculation of atomic weight
How to use calculator
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finally somebody who tells me what are the difference of mass number and atomic weight, now I can rest in peace.😌

goxlau
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Could you post a video about relevant periodic trends, such as ionic vs atomic radios, Zeff, Ionisation Energy, & electronegativity?

renzowonminpark