Chemistry Exam Review

Melting solid silver to form liquid silver 006 10. 0 points Which of the processes I) chopping broccoli l) baking bread Ill) burning a match involves a chemical change? 2. Pulling silver into silver wire . Ill only 3. Passing electric current Again (as) to plate out silver through 4. Dissolving silver nitrate in water to form a solution 2. II and Ill only 3. Only 4.All of these 004 10. 0 points Which of the following is a chemical property of sulfur? And Ill only 5. 6. II only . Burns in air 7. And II only 2. Melts at 119 C Dowses (vivid) – Exam review – Dowses 8. None of these – (241 27) 007 10. 0 points Which Of the properties I) conductivity II) combustibility Ill) hardness are chemical properties? 2 to identify a type of matter? 1. Density 2. Heat 3. Mass 4. Volume 2. And Ill only 011 10. 0 points Write 0. 0000072 using scientific notation. 1. 7. 2 x 10-6 4. Only 2. 72 x 10-7 5. All of these 3. 7. 2 x 10-7 6. Ill only 4. 0. Xx 10-5 7.II only 8. And II only 00 8 10. 0 points Which process does NOT involve a chemical change? 012 10. 0 points What is in between the electrons and nucleus of an atom? 1. Nothing 2. No one knows. 1. Melting of a solid 3. Water vapor 2. Oxidation of a metal 4. Air 3. Combustion 5. Smaller atoms go 10. 0 points Which of the following is an intensive property? 1. 16 cubic feet 013 10. 0 points Which scientist discovered that the atomic number, rather than the atomic weight, is more responsible for the properties of an element? (Tragically this scientist died soon after as a soldier in WWW. 00 Kelvin 2. 1. SST. Augustine 3. 3 miles 2. Chadwick 4. 4 days 3. Mosey 010 10. 0 points Which of the following properties can be used 4. Milliken 5. Rutherford 014 10. 0 points Which of the following is F-ELSE? 3 2. 45 protons; 35 electrons; 45 neutrons 3. 35 protons; 45 electrons; 45 neutrons 4. 35 protons; 35 electrons; 45 neutrons 1 The mass of neutrons and electrons are about the same. 2. The mass of a hydrogen atom is abo ut the same as a proton. 5. 45 protons; 35 electrons; 35 neutrons 6. 45 protons; 45 electrons; 35 neutrons 7. 35 protons; 45 electrons; 35 neutrons 3.The mass of protons and neutrons are 4. The mass of a proton is much greater than the mass of an electron. 015 10. 0 points How many protons are present in one V+ ion? 8. 35 protons; 35 electrons; 35 neutrons 018 10. 0 points Determine the number of protons, electrons, and neutrons in the the isotope sodium-23. 1. 11 protons; 12 electrons; 12 neutrons 12 protons.