Problem 1
Using the geologic definition of mineral as your guide, determine which of the items on the list are minerals and which are not. If an item is not a mineral, explain why not. a. gold nugget b. seawater c. quartz d. cubic zirconia e. obsidian f. ruby g. glacial ice h. amber
Problem 2
If the number of protons in a neutral atom is 92 and its mass number is 238 : a. What is the name of that element? b. How many electrons does it have? c. How many neutrons does it have?
Problem 3
Which element is more likely to form chemical bonds: xenon (Xe) or sodium (Na)? Explain why.
Problem 4
The information below refers to three isotopes of the element potassium. Using this information, determine the appropriate number of protons and neutrons for each isotope. Label each isotope in the manner used in the chapter. Atomic Number \(=19\) Atomic Number \(=19\) Atomic Number \(=19\) Mass Number \(=39\) Mass Number \(=40\) Mass Number \(=41\)
Problem 7
Gold has a specific gravity of almost 20 . A 5-gallon bucket of water weighs 40 pounds. How much would a 5-gallon bucket of gold weigh?
Problem 8
Do an Internet search to determine what mineral(s) are extracted from the ground during the manufacturing of the following products: a. stainless steel utensils b. cat litter c. Tums brand antacid tablets d. lithium batteries e. aluminum beverage cans
