Covalent Bond

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

How is covalent bonding represented?

• by writing its valence electrons

• by writing its Lewis structure

• by writing its number of bonds

• by writing its number of protons

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Number of covalent bonds can form in group 16

• three

• two

• four

The number of covalent bonds form in group 17

• One

• Two

• Three

The number of pairs of electrons shared in triple covalent bond

• Two

• Three

• One