Bonding Pre-Test

Choose which of the following compounds contain IONIC Bonds (you may choose more than one answer)

• H₂O

• SO₂

• AlCl₃

• H₂

• MgI₂

Tags

NGSS.HS-PS1-3

Choose which of the following compounds contain COVALENT Bonds (you may choose more than one answer).

• NH₃

• NaCl

• CaF₂

• CH₄

• N₂

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A

• structure B

• structure C

• structure D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• A
• B
• C
• D

Tags

NGSS.HS-PS1-2

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.HS-PS1-1

Refer to the image. Which diagrams correctly represent the transfer of electrons in ionic bonding?

• Diagram 3 and 4
• Diagram 1 and 2
• Diagram 1 and 4
• Diagram 2 and 3

Tags

NGSS.HS-PS1-2

Study the electron dot diagrams for lithium, carbon, fluorine, and neon. Choose the statement that correctly identifies the most stable of the elements.

• Lithium is the most stable element because it has to lose only one electron to achieve a stable configuration.
• Carbon is the most stable element because it can form four bonds
• Fluorine is the most stable element because it has to gain only one electron to achieve a stable configuration
• Neon is the most stable element because its highest occupied energy level is filled.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2