Y9A Lesson on Covalent Bonds

Multiple Choice

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

Multiple Choice

Oxygen is a diatomic element which means in nature, it is found in two's. (O₂) Oxygen shares two pairs of electrons to make sure each atom completes the octet rule. This creates a...

• single bond

• double bond

• triple bond

Multiple Choice

What are included in electron dot diagrams?

• Only core electrons

• Only valence electrons

• All electrons

• Only paired electrons

Multiple Choice

What kind of bond is shown in the picture?

• A single covalent bond

• A double covalent bond

• A triple covalent bond

• An ionic bond

Draw

Complete the Lewis Structure for CH₃F by adding lines between atoms for bonds, and dots on atoms for electrons.

Multiple Choice

Which of the following is NOT TRUE about covalent compounds?

• They have low melting and boiling points.

• They are formed from 2 nonmetals.

• They can conduct electricity when dissolved in water (aqueous).

Naming Covalent Compounds

Multiple Choice

phosphorus trichloride

• KCl₃
• PCl₃
• K₃Cl
• P₃Cl

Fill in the Blank

Write the name of the following covalent compound: N₂O

Multiple Choice

What is the formula for Hexaboron Monosilicide

• B₆Si
• BSi
• BSi₆
• B₆Si₆

Multiple Choice

When naming covalent compounds: Penta is the prefix for....

• 1

• 2

• 3

• 4

• 5