2. Atoms & Elements

What type of force attracts cations and anions to each other?

What are the two ions that water molecules can dissociate into?

Sodium is much more apt to exist as a cation than is chlorine. This is because ________.

A hydrogen ion, formed during the dissociation of water, has a charge of which of the following?

Which of the following is an example of an anion?

Which ion is represented by the following information? p+ = 12, n = 14, e- = 10

How many electrons are present in an Al^{3+} ion?

Which of the following ions is most likely to be leached from soil due to its high solubility and low tendency to adsorb to soil particles?

What is the charge of the metal ion in the complex [Fe(NH_3)_2Br_4]^{2-}? (Omit the + sign in your answer.)

Which of the following is the most stable monatomic ion formed from nitrogen?

When a chlorine atom gains an electron, what type of charge does the resulting ion have?

Which of the following elements typically forms cations?

Which of the following best explains why an anion has a negative charge?

When chlorine forms an ion, how many electrons does it gain or lose?

Which of the following elements is most likely to form a cation by losing two electrons?