Naming Ionic Compounds and Ions

The video tutorial explains how ions form, how they combine to create compounds, and the naming conventions for these compounds. It begins with an introduction to ion formation, focusing on alkali metals like potassium, which lose electrons to become cations. The tutorial then shifts to halides, such as chlorine, which gain electrons to become anions. The formation of potassium chloride is demonstrated, highlighting the attraction between oppositely charged ions. Finally, the video covers naming conventions for ionic compounds and the concept of charge neutrality.

What is the general term for a positively charged ion?

• Proton

• Anion

• Cation

• Neutron

Which group in the periodic table is known as the alkali metals?

• Group 18

• Group 2

• Group 1

• Group 17

What happens to potassium when it ionizes?

• It gains an electron

• It loses an electron

• It gains a proton

• It loses a proton

What is the charge of a potassium ion after it loses an electron?

• 2+

• 2-

• 1-

• 1+

Which group in the periodic table contains elements that are good at grabbing electrons?

• Group 18

• Group 17

• Group 2

• Group 1

What is the term used for a negatively charged chlorine ion?

• Chlorine

• Chloride

• Chlorate

• Chlorite

What type of compound is formed when potassium and chlorine combine?

• Covalent compound

• Ionic compound

• Metallic compound

• Molecular compound

In the formula for an ionic compound, which ion is written first?

• Negative ion

• Positive ion

• Neutral ion

• It doesn't matter

What is the name of the compound formed by potassium and chlorine?

• Potassium chlorate

• Potassium chlorite

• Potassium chlorate

• Potassium chloride

Why is the whole ionic compound neutral?

• Because the positive and negative charges cancel each other out

• Because it has no charge

• Because it has more electrons than protons

• Because it has more protons than electrons