2. Atoms & Elements

Which ion is formed when an atom of fluorine (F) gains one electron?

What is the charge of an atom that has gained one electron?

How many electrons must a sulfur atom gain to achieve an octet in its valence shell?

Which type of electrical charge is carried by cations?

Which ions are present in the compound CaCl2?

An atom or group of bonded atoms that has a positive or negative charge is called a/an:

What charge will a sodium ion have when it loses one electron?

How many electrons does the Al^{3+} ion possess?

If an atom has a charge of +1, which of the following best describes what has happened to the atom?

Which type of element is most likely to form an anion?

Which of the following elements is commonly used to dope silicon to create an n-type semiconductor?

Which of the following best describes what an ion could be?

Which of the following ions represents iodine with a charge of -1?

Which one of the following compounds contains an ion with a 3+ charge?

Which of the following correctly describes the net charges of a cation and an anion?