2. Atoms & Elements

If an unknown monatomic ion with a 3- charge has 10 electrons, what is the formula for that ion?

Which of the following pairs of ions are isoelectronic with each other?

What happens when a sodium atom becomes a sodium ion?

In an aqueous solution during electrolysis, cations are attracted toward which electrode?

Why does sodium (Na) typically form an ion with a 1+ charge?

How many ions with a +1 charge are required to bond with one ion that has a -2 charge to form a neutral compound?

An ion has 105 electrons. Which of the following statements is true about its mass number?

Which statement is true of all atoms that are anions?

Which process leads an atom to become a positive or a negative ion?

What is the charge of the fluoride ion?

What is the charge of the chloride ion?

What is the charge of an ion that has 12 protons and 10 electrons?

Which of the following ions has six electrons in its outermost p subshell?

Which of the following best describes the charge of an anion?

What is the term used to describe an atom that has gained or lost electrons and thus carries a charge?