2. Atoms & Elements

Which term describes a negatively charged ion?

Which of the following best describes an ion?

A cation is an element that _____ one or more electrons to form _____ ions.

Consider an ion with 17 protons and 18 electrons. What is the charge of this ion?

After the transfer of electrons, calcium becomes an ion with a charge of:

Which of the following correctly identifies the cation and anion present in the compound NH4Br?

Which of the following is the number of protons in the sulfide ion, S^{2-}?

What is the term for an ion that has a net negative charge due to having more electrons than protons?

Which ions are present in solid sodium chloride (NaCl)?

Which atom has the same number of electrons as a P^{3-} ion?

Which of the following best describes how an anion is formed?

What is the charge of the magnesium ion (Mg^{2+})?

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

An atom of magnesium has lost two electrons. It is known as a(n) ________.

An atom that is ionized must have which of the following?