what is atomic mass,atomic number,valency,?
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#I know three definition of Atomic Mass:
*The mass of an atom or a molecule is referred to as the atomic mass.
*The atomic mass is the mass of an atom.
*Atomic mass is the average relative mass of an element with mass of C12 isotope.
*Valency :
#The combining power or the combining capacity of an element is called its valency.
*Atomic Number:
#Atomic number of an elements is the number of protons in an atom of the element.
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#I know three definition of Atomic Mass:
*The mass of an atom or a molecule is referred to as the atomic mass.
*The atomic mass is the mass of an atom.
*Atomic mass is the average relative mass of an element with mass of C12 isotope.
*Valency :
#The combining power or the combining capacity of an element is called its valency.
*Atomic Number:
#Atomic number of an elements is the number of protons in an atom of the element.
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Explanation:
We now know that atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks. Atoms were created after the Big Bang 13.7 billion years ago. ... Quarks came together to form protons and neutrons, and these particles combined into nuclei.
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