Problem 1
Give the formula for each acid. a) perchloric acid b) hydriodic acid
Problem 1
Which of these formulas represent molecules? State how many atoms are in each molecule. a) \(\mathrm{Fe}\) b) \(\mathrm{PCl}_{3}\) c) \(\mathrm{P}_{4}\) d) \(\mathrm{Ar}\)
Problem 1
Explain how cations form.
Problem 2
Explain how anions form.
Problem 2
Give the formula for each acid. a) hydrosulfuric acid b) phosphorous acid
Problem 2
Which of these formulas represent molecules? State how many atoms are in each molecule. a) \(I_{2}\) b) He c) \(\mathrm{H}_{2} \mathrm{O}\) d) \(\mathrm{Al}\)
Problem 3
Define atomic mass. What is its unit? Estimate the mass, in whole numbers, of each isotope. a) hydrogen-1 b) hydrogen-3 c) iron-56
Problem 3
Give the charge each atom takes when it forms an ion. If more than one charge is possible, list both. a) \(\mathrm{K}\) b) \(\mathrm{O}\) c) \(\mathrm{Co}\) a) \(\mathrm{K}\) b) O c) Co
Problem 3
Dalton's initial version of the modern atomic theory says that all atoms of the same element are the same. Is this actually correct? Why or why not?
Problem 3
Name each acid. a) \(\mathrm{HF}(\mathrm{aq})\) b) \(\mathrm{HNO}_{3}(\mathrm{aq})\) c) \(\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4}(\mathrm{aq})\)
