front 1 In the following list, only __________ is not an example of
matter. | back 1 A) light |
front 2 2) What is the physical state in which matter has no specific shape
but does have a specific volume? | back 2 A) liquid |
front 3 3) A combination of sand, salt, and water is an example of a
__________. | back 3 E) heterogeneous mixture |
front 4 4) Which one of the following has the element name and symbol
correctly matched? | back 4 D) Ag, silver |
front 5 5) Which one of the following is a pure substance? | back 5 E) elemental copper |
front 6 6) Sn is the symbol for the element __________ | back 6 Tin |
front 7 7) The symbol for the element magnesium is __________. | back 7 C) Mg |
front 8 8) If matter is uniform throughout and cannot be separated into other
substances by physical means, it is | back 8 B) either an element or a compound |
front 9 9) Homogeneous mixtures are also known as __________. | back 9 B) solutions |
front 10 10) Which of the following is an illustration of the law of constant
composition? | back 10 A) Water is 11% hydrogen and 89% oxygen by mass. |
front 11 11) Which one of the following is not a physical property of
water? | back 11 C) It reacts rapidly with potassium metal to form potassium hydroxide. |
front 12 12) Of the following, only __________ is a chemical reaction. | back 12 B) tarnishing of silver |
front 13 3) Which one of the following is an intensive property? | back 13 D) temperature |
front 14 4) Of the following, only __________ is an extensive
property. | back 14 D) mass |
front 15 15) Which of the following are chemical processes? | back 15 E) 1, 3 |
front 16 16) Which of the following is a chemical property of sodium
chloride? | back 16 B) It can be decomposed into sodium metal and chlorine gas. |
front 17 17) Intensive properties __________ depend on the amount of matter
present. Extensive properties __________ | back 17 C) don't, do |
front 18 18) Of the objects below, __________ is the most dense. | back 18 A) an object with a volume of 3.91 x 10-24 nm3 and a mass of 7.93 x 10-1 ng |
front 19 19) The temperature of 25°C is __________ in Kelvins. | back 19 E) 298 |
front 20 20) Express the temperature, 422.35 K, in degrees Celsius and in
degrees Fahrenheit. | back 20 A) 149.20°C, 300.56°F |