Observations and Models

Question #1

James provides Martha with two statements: "All bald men are intelligent" and "Lance is bald." Based on the statements, Martha concludes that Lance is intelligent. What type of reasoning (deductive or inductive) did Martha use to arrive at this conclusion?

Question # 2

Problem Solving in Chemistry and Engineering

An engineer designed a process to manufacture ball bearings. The mass of each bearing was measured to be within 0.15% of 100 grains. What range of bearing masses, in mg, will meet this tolerance? 1 grain = 64.79891 mg.

Question # 3

The Study of Chemistry

Do the terms element and atom mean the same thing? If not, how do they differ? Explain

Question 7 1pts says that matter cannot be created or destoryed by ordinary means Question 8 1pts Atomic Mass Unit (amu) is equal to how much of a carbon-12 atom? Question 10 1pts If you want to find the number of neutrons in an atom you always subtract these two things: Choose all that apply. energy shells atomic number electrons atomic mass periodic table