Question

characteristic of elements :-
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Answer 1

Explanation:

All elements have certain characteristics that are summarized on the periodic table. These characteristics include the element's symbol, atomic number, and atomic mass. You will learn how the number of protons in an atom relates to an element's atomic number, and explore how isotopes affect the atomic mass

Answer 2

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➠ characteristic of elements :-

• Each element has its own unique properties.
• Each contains a different number of protons and neutrons, giving it its own atomic number and mass number.
• The atomic number of an element is equal to the number of protons that element contains.