6. A. Mix ingredients like eggs, milk, chocolate chips, flour, oil, and sugar together. Roll and put into oven at three hundred fifty degrees for thirteen minutes.
B. Mixing everything together is a chemical reaction and rolling into a ball is a physical change.
7. A substance is each element and compound which has a uniform and definite composition as well as distinct properties. Two examples of a substance are oxygen and water.
8. a. compound b. element c. compound d. element e. compound f. element g. element
9. a. i, ii, iv
b. iii, v
10. Chemical formula represents each element present and indicates how many atoms of the element(to the left of the subscript) are in one unit of the compound.
11. The chemical formula represents a different chemical compound. Inside a chemical formula a chemical symbol is an abbreviation of an of an element name. Such as N for nitrogen or Fe for Iron.
Thank You!
Forever and Always,
Abi
Thank You!
Forever and Always,
Abi
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