Plenary 6.1 - Ion Formation

What is true of a chemical bond?

• It is the force that holds two atoms together.

• It is never formed by ions.

• It is formed only by ions.

• It forms by the attraction between the positive nucleus of one atom and the positive nucleus of another atom.

Which best describes why atoms try to form an arrangement of eight valence electrons in their outer energy level?

• to gain electrons

• to lose electrons

• to form ions

• to acquire the stable electron structure of a noble gas

Which of the following is true?

• Anions are positively charged ions.

• A chloride ion is a cation.

• A sodium ion is an anion.

• Cations are positively charge ions.

Which metals are the most reactive?

• metals in groups 1 and 3

• metals in groups 1 and 2

• metals in groups 2 and 13

• Metals are not reactive.

Which of these is TRUE about nonmetals?

• They are not reactive.

• They all have noble gas configurations.

• They are found on the left side of the periodic table.

• They easily gain electrons to attain a stable outer electron configuration.

Oxygen gains two electrons to form what kind of ion?

• -1 anion

• -2 anion

• +1 cation

• +2 cation

Elements with a full octet have which configuration?

• ionic configuration

• halogen configuration

• noble gas configuration

• transition metal configuration