2. Atoms & Elements

Which particle is a negatively charged ion?

When sulfur forms an ion, does it become a cation or an anion?

Which process leads an atom to become an anion?

Which of the following represents the formula of the ion formed when potassium achieves a noble-gas electron configuration?

Which of the following ions has the greatest charge density?

Which of the following is an anion?

What type of ion has lost an electron and therefore carries a positive charge?

What happens to an atom when it loses an electron and becomes a cation?

Which statement best describes the difference between a neutral element and an ion?

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

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

In the compound aluminum hydroxide, Al(OH)_3, how many hydroxide ions are bonded to each aluminum ion?

How many total electrons are present in a Sr^{2+} ion?

Which of the following ions is not isoelectronic with the others?

Which of the following is the correct symbol for the ion with 19 protons and 18 electrons?