What is an element?
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Posljednje ažuriranje over 1 year ago
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Today, you will learn about elements and compounds. By looking at the diagram, what do you observe about elements and what do you observe about compounds?
Word bank: element same type atoms compounds different


According to paragraph 3, How many elements are found naturally in rocks, soil, air, etc ______? How many elements can only be made in labs by humans ______?
Scientists use the elements symbols like H instead of the elements name hydrogen. Why is this?
A compound is a molecule where 2 or more ________ elements have combined.