2. Atoms & Elements

Which of the following best describes how an ion differs from a neutral atom?

Which type of elements typically form positively charged ions (cations)?

Which term refers to the process by which an atom or molecule separates into positive and negative ions?

Which element is most likely to form an ion with a charge of -2?

How many electrons are present in an O^{2-} ion?

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?