Answer: Approximately 65% from what i have learnt.
A compound is a substance that consists of two or more elements, which is chemically combined, meaning that it could only be split by chemical means.
Examples:-
- NaCl is salt, chemically combined of Sodium and Chloride.
- H2O is water, chemically combined of Hydrogen and oxygen.
<span>the picture bellow gives you all the answers, this picture was given to my class by my science teacher a few years ago so it is accurate
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Weight is the most closely related object to mass.