what is mass no. ? in chemistry
and what is atomic no. ?
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The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.
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The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number
Step-by-step explanation:
Mass number, in nuclear physics, the sum of the numbers of protons and neutrons present in the nucleus of an atom.
The atomic number is the number of protons in the nucleus of an atom. ... The number of protons determines how many electrons surround the nucleus, and it is the arrangement of these electrons that determines most of the chemical behavior of an element.
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