Exploring Polyatomic Concepts

What is a polyatomic molecule?

• A molecule made of only metals

• A molecule made of only one atom

• A molecule made of two atoms

• A molecule made of more than two atoms

Which compound is formed when hydrogen shares its electron with oxygen and another hydrogen is added?

• Ammonia (NH3)

• Methane (CH4)

• Water (H2O)

• Carbon dioxide (CO2)

What is the electron dot structure of nitrogen indicative of?

• It needs three more electrons to complete its octet

• It needs two more electrons to complete its octet

• It needs four more electrons to complete its octet

• It needs one more electron to complete its octet

What compound is formed when nitrogen reacts with hydrogen?

• Methane (CH4)

• Ammonia (NH3)

• Water (H2O)

• Carbon dioxide (CO2)

What is methane (CH4) commonly known as?

• Natural gas

• Ammonia

• Carbon dioxide

• Water

What is the significance of carbon in organic chemistry?

• It can bond with three other atoms

• It can bond with only one other atom

• It can bond with two other atoms

• It can bond with four other atoms

What is a polyatomic ion?

• A neutral particle made of more than one atom

• A neutral particle made of only one atom

• A charged particle made of more than one atom

• A charged particle made of only one atom

What type of bonds do polyatomic ions have within the ion?

• Ionic bonds

• Covalent bonds

• Metallic bonds

• Hydrogen bonds

Which suffix is commonly found in the names of many negative polyatomic ions?

• -ate

• -ide

• -ous

• -ium

What should you assume if you see a compound name ending in '-ate'?

• It has a positive polyatomic ion

• It has a negative polyatomic ion

• It has a neutral polyatomic ion

• It has a monoatomic ion