Question 1. The scientific method is a common sense, systematic approach to solving problems
Question 2. The number 48275 written in correct scientific notation is ___ .
4.8275 x 10^-4
4.8275 x 10^4
Question 3. When a gas is cooled, the volume of the gas will ___ .
Question 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 ___ .
Question 5. Which of the following units is NOT a unit of mass?
Question 6. The nucleus of an atom is found in the ___ of it.
not in a central place
none of the above
Question 7. The log 5.75 is _0.76__ .
Question 8. A chemical bond is ___ .
a force of attraction between two atoms in a compound.
made up of protons
made up of neutrons
formed rom the attraction of protons and electrons
Question 9. The ln 2.75 (that is, the natural logarithm which is written as ln) is _1.01__ .
Question 10. The chemical formula for sodium chloride is _NaCl__ .