18. How would you find the volume of an irregular shaped object (like a rock)? 19. What is the formula for density? _________________ 20. Calculate the density of an object with a volume of 25.0 cm3 and a mass of 50.0 grams. 21. Calculate the density of an object that displaces 15 mL of water and has a mass of 90 grams. Properties 22. A type of homogeneous mixture made of two or more metals is known as a(n) ___________. 23. Identify the following as a chemical or physical property: a. copper compounds are blue __________________ b. an iron nail will rust when exposed to oxygen __________________ 24. Identify the following as a chemical or physical change: a. copper reacts with oxygen to form a patina __________________ b. milk spoils __________________ c. ice melts __________________ d. pancakes burn on a griddle __________________ e. fermentation __________________ f. crumpling paper __________________ g. burning leaves __________________ Atomic Structure 25. What is an atom (in your own do not copy the definition from the book)? – 26. What is the difference between an element and a compound? 27. C2H6 is a(n) _____. a. ion b. element c. atom d. compound e. mixture
18. How would you find the volume of an irregular shaped object (like a rock)? 19. What is the formula for density? _________________ 20. Calculate the density of an object with a volume of 25.0 cm3 and a mass of 50.0 grams. 21. Calculate the density of an object that displaces 15 mL of water and has a mass of 90 grams. Properties 22. A type of homogeneous mixture made of two or more metals is known as a(n) ___________. 23. Identify the following as a chemical or physical property: a. copper compounds are blue __________________ b. an iron nail will rust when exposed to oxygen __________________ 24. Identify the following as a chemical or physical change: a. copper reacts with oxygen to form a patina __________________ b. milk spoils __________________ c. ice melts __________________ d. pancakes burn on a griddle __________________ e. fermentation __________________ f. crumpling paper __________________ g. burning leaves __________________ Atomic Structure 25. What is an atom (in your own – do not copy the definition from the book)? 26. What is the difference between an element and a compound? 27. C2H6 is a(n) _____. a. ion b. element c. atom d. compound e. mixture
chemistry-y-final-review-sheet-short.docx