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Nov 10, 2018 · 1-30 represents the atomic number of respective elements. Atomic mass: It is defined as the average mass of the elements and it is measured in atomic mass units.?Jun 9, 2023 · Click here 👆 to get an answer to your question ️ 1 to 50 elements name, atomic number, mass,symbol?Aug 30, 2019 · Atomic number is the number of proton elements in a nucleus. Mass number = no. of protons + no. of neutrons. Atomic number and mass number of first 20 elements are *Aug 19, 2020 · Find an answer to your question element name in first 30 symbol,atomic mass, atomic number.?Nov 9, 2018 · Find an answer to your question 1 to 50 elements with symbols and atomic number atomic mass electronic configuration@Dec 6, 2021 · Find an answer to your question first 30 elements of periodic table with their no.of proton, neutron and electron, atomic number, atomic mass and valency.Apr 8, 2016 · TABLE OF FIRST 30 ELEMENTS WITH THEIR ATOMIC MASS, CONFIGURATION AND VALENCY - 320724