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Practice Test for Chapter 1 Activities in Science 1. The prefix for Kilo Means? 1. The prefix for Kilo Means? 1,000 2. The prefix milli- means ____. 2. The prefix milli- means ____. 1/1000 or .001 3. The correct symbol for the SI unit of temperature is ____. 3. The correct symbol for the SI unit of temperature is ____. K 4. The SI unit that is used to measure time is the ____.? 4. The SI unit that is used to measure time is the ____.? S (seconds) 5. How many meters are there in 35,875 cm? 5. How many meters are there in 35,875 cm? m = 35,875cm x 1m/100cm 358.75 m 6. A beaker contains 0.32 L of water. What is the volume of this water in milliliters? 6. A beaker contains 0.32 L of water. What is the volume of this water in milliliters? 320 ml 14. What state of Matter is A 15. What state of Matter is diagram B 16. What state of matter is diagram C 14. Solid 15. Gas 16. Liquid 17. Define a "standard" as it is used in the term standard measurement. 17. Define a "standard" as it is used in the term standard measurement. an exact quantity that people agree to use for comparison 18. Why is a cubic centimeter a derived unit? 18. Why is a cubic centimeter a derived unit? Cubic centimeter is a unit of volume, while centimeter is a unit of length; cm3 is a product of the units for length, width, and height. 19 Sequence the following steps: scientific law, problem, theory, hypothesis, experiment. 19 Sequence the following steps: scientific law, problem, theory, hypothesis, experiment. problem, hypothesis, experiment, theory, scientific law 20. Arrange each of the following in order from largest to smallest. 1. Centimeter 2. kilometers 3. Meters 4. micrometers 5. millimeters 20. Arrange each of the following in order from largest to smallest. 1. Centimeter 2. kilometers 3. Meters 4. micrometers 5. millimeters Kilometers Meters Centimeter millimeters micrometers 21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 cm3 . Think Sig Figs 21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 3 cm Density = 8.88 g/cm3 22. 25 km = _____meter = ________ dm = ___________ cm= ___________mm? 22. 25 km = _____ meter = ________ dm = ___________ cm= ___________mm? 25 km = 25,000 meter = 250,000 dm = 2,500,000__ cm = 25,000,000_mm 23. 65 g = _________ kg 23. 65 g = _________ kg kg = 65g 0.065 kg 1kg 1,000g Chapter 2 Describing Matter 1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____. 1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____. Subscripts 2. How many Oxygen atoms are present in one molecule of ammonium acetate, NH4C2HO3? 2. How many Oxygen atoms are present in one molecule of ammonium acetate, NH4C2HO3? 3 3. What term describes matter that can be physically separated into component parts? 3. Which term describes matter that can be physically separated into component parts? Mixture 5. The boiling point of a pure substance always remains _______ 5. The boiling point of a pure substance always remains _______ Constant 6. Which of the following formulas represents an ionic compound? a. Kr B b. N2O4 c. CS2 d. PCl3 e. BaI2 6. Which of the following formulas represents an ionic compound? a. Kr B b. N2O4 c. CS2 d. PCl3 e. BaI2 BaI2 7. What makes an ionic compound? 7. What makes an ionic compound? The combination of a metal And a non metal 9. Which of the following is a heterogeneous mixture? a. air c. steel b. soil d. brine (salt water) 9. Which of the following is a heterogeneous mixture? a. air b. soil c. d. steel brine (salt water) Soil 10. Which of the following is a homogeneous mixture? a. beef stew b. soil c. brine d. raisin bread e. sand and water 10. Which of the following is a homogeneous mixture? a. beef stew b. soil c. brine d. raisin bread e. sand and water Brine 12. What is a cation? 12. What is a cation? A cation is a positive charged ion.. 11.What is the Name of this formula MgCl2 13. What is the Name of this formula MgCl2 Magnesium chloride 16. What do the names of all binary compounds, both ionic and molecular, end in? 16. What do the names of all binary compounds, both ionic and molecular, end in? IDE 17. Write the formula aluminum sulfide 17. Write the formula aluminum sulfide Al2S3 18. If the name of a compound ends in ide, what kind of a compound is it? 18. If the name of a compound ends in ide, what kind of a compound is it? A Binary compound 1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____. 1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____. The End of Practice Test Hope you Had Fun!!!