2. Atoms & Elements

What is the typical charge of sodium ions (Na) when present in a salt compound?

Which type of electrical charge is carried by cations?

Which of the following statements is true concerning calcium ions?

If an atom has a charge of 2+, what does this indicate about the atom?

Which of the following statements is NOT true about the Sc^{3+} ion?

When an atom loses a negatively-charged electron, it becomes a(n):

What is the most stable monatomic ion formed from lithium?

Which process causes an atom to become a cation with a positive charge?

How many magnesium ions (Mg^{2+}) are required to combine with two chloride ions (Cl^-) to form a neutral ionic compound?

In which of the following sets do all species have the same number of electrons?

Which formula represents a hydronium ion?

Which of the following best describes the difference between a cation and an anion?

How do cations form?

Which of the following best describes an atom with a negative net charge?