1. The scientific method is a common sense, systematic approach to solving probl

Question

1. The scientific method is a common sense, systematic approach to solving problems. (Points : 2) True False 2. The number 48275 written in correct scientific notation is ___ . (Points : 3) 4.8275 x 10-4 4,8275 4.8275 4.8275 x 104 3. When a gas is cooled, the volume of the gas will ___ . (Points : 3) expand contract no change who cares 4. You discover your car will not start on a cold day. You think maybe it is due to a dead battery. Using the scientific method, this is an example of a ___ . (Points : 3) theory observation hypothesis experiment 5. Which of the following is NOT a unit of mass: (Points : 3) gram cm3 kilogram milligram 6. The nucleus of an atom is located in the ___ of the atom. (Points : 3) center outskirts not in a central place none of the above 7. The log of 5.75 is ___ . (Points : 3) 1.75 5.75 0.760 none of the above 8. A chemical bond is ___ . (Points : 3) a force of attraction between two atoms in a compound made up of protons made up of neutrons formed from the attraction of protons and electrons 9. The ln 2.75 (natural logarithm) is ___ . (Points : 3) 1.01 2.75 0.439 -1.75 10. The chemical formula for sodium chloride is ___ . (Points : 3) SCl ClS ClNa NaCl

Explanation / Answer

1 true 2 4.8275 x 10+4 (last choice) 3 contract 4 hypothesis 5 cm3 6 center 7 none of the above 8 formed from the attraction of protons and electrons 9 1.01 10 Na Cl

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