1.write the phrases that describe the element
2.write the phrases tha describe the compound
3.write the description that the element and compound have in common in the intersection.
Pure substance
Represented by symbol
Made of same type of atom
Can be separated by chemical means
Composed of two or more different atoms
Example is Hydrogen (H)
Limitless in terms of number
Example is Salt (NaCl)
Represented by chemical formula
There are 118 of them (at present)
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3. i dont understand please explain in a comment
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