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contrast
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Ncert textbook and refer notes . For better understanding refer together with chem
They are groups
they both use hydrogen and oxygen. atoms make elements They both refer to the same thing. An atom is the smallest entity that makes up an element.
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Elements and compounds
The 40 elements refer to the 40 transition metal elements. There are in total 118 known elements to this day.
All of the elements are on the periodic table of the elements. Refer to the related links for a printable periodic table.
refer periodic table
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Refer to the related link for a periodic table listing the electronegativities of the elements.
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layout
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