Identifying Ionic and Covalent Bonds

The video tutorial explains the differences between ionic and covalent (or molecular) bonds. Ionic bonds involve the bonding of a metal and a non-metal, while covalent bonds involve two non-metals. The tutorial provides examples of each type of bond, including calcium and arsenic for ionic bonds, and nitrogen and fluorine for covalent bonds. It also covers the use of stock numbers for transition metals in ionic bonds, using iron and selenium as examples. The video emphasizes the importance of identifying the type of bond based on the elements involved and their positions on the periodic table.

What is the primary difference between ionic and covalent bonds?

• Ionic bonds involve two non-metals, while covalent bonds involve a metal and a non-metal.

• Ionic bonds involve two metals, while covalent bonds involve two non-metals.

• Ionic bonds involve a metal and a non-metal, while covalent bonds involve two non-metals.

• Ionic bonds involve two metals, while covalent bonds involve a metal and a non-metal.

How can you identify an ionic bond using the periodic table?

• By identifying two non-metals.

• By finding two elements in the same vertical column.

• By identifying one element as a metal and the other as a non-metal.

• By finding two elements on the right side of the table.

What is the charge of calcium in an ionic bond with arsenic?

• 3+

• 1+

• 0

• 2+

When dealing with transition metals, what tool is used to determine the ionic number?

• Periodic table

• Ion sheet

• Atomic number list

• Molecular chart

What is the stock number for iron in a bond with selenium?

• 4+

• 1+

• 3+

• 2+

What type of bond is formed between nitrogen and fluorine?

• Ionic

• Hydrogen

• Metallic

• Covalent

In a covalent bond, what type of elements are involved?

• A metal and a metalloid

• Two metals

• A metal and a non-metal

• Two non-metals

How do you determine the order of elements in a covalent bond when they are in the same vertical column?

• By atomic mass

• By atomic number, with the higher number first

• By atomic number, with the lower number first

• By alphabetical order

What is the correct formula for a bond between sulfur and selenium?

• Se2S2

• SeS

• SSe

• S2Se2

What is the key factor in determining whether a bond is ionic or covalent?

• The temperature at which the bond forms

• The color of the elements

• The atomic mass of the elements

• The position of elements in the periodic table