Understanding Covalent Bonds

What is the primary characteristic of covalent bonds?

• Transfer of electrons

• Formation between noble gases

• Formation between metals

• Sharing of electrons

Which elements typically form covalent bonds?

• Metals

• Non-metals

• Metalloids

• Noble gases

How many valence electrons does a chlorine atom have?

• 8

• 7

• 6

• 5

What does a single line between two atoms in a Lewis structure represent?

• One electron

• Two electrons

• Three electrons

• Four electrons

How many pairs of electrons are shared in a double bond?

• Four pairs

• One pair

• Two pairs

• Three pairs

What is the total number of electrons shared in a triple bond?

• Four

• Six

• Eight

• Ten

Which type of bond is generally the strongest?

• Single bond

• Quadruple bond

• Double bond

• Triple bond

What is the mnemonic used to remember diatomic molecules?

• Mr. Electron

• Mr. Covalent

• Mr. Bond

• Mr. Brinklehoff

Which of the following is a diatomic molecule?

• CO2

• H2O

• O2

• CH4

How is oxygen typically represented in chemical reactions?

• O2

• O

• O4

• O3