Chemistry Exam Review Free Essays

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 . We will write a custom essay sample on Chemistry Exam Review or any similar topic only for you Order Now 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 008 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 o f a hydrogen atom is about 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. How to cite Chemistry Exam Review, Papers