Which of the following is the best representation of a molecule of fluorine (F₂)?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which would be the only situation where valence electrons would be shared evenly?

• metals and nonmetals

• different nonmetals

• nonmetals of the same element

• metalloids of the same element

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of this Compound

• P₂O₅

• Phosphorous PentaOxide

• Diphosphorous pentoxide

• Phosphourous Oxide

What is the formula for this Compound

Generally, atoms form bonds so that _______________.

• Each atom loses its electrons

• Each atom has a stable electron configuration

• Each atom has an unstable electron configuration

• Each atom gains electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the following compound as ionic or covalent: CF₄

• ionic

• covalent

Tags

NGSS.HS-PS1-2

In the polar covalent molecule of hydrogen chloride (HCl) - the chlorine atom has

• a lesser pull on electrons and therefore become partially positive charge.

• has a greater pull and therefore become partially negative charge.

• has no effect on charge because it is neutral.

• a lesser effect on valence electrons.

What is the name of the lewis structure shown?

• nitrogen chloride

• nitrogen trichloride

• trinitrogen monochloride

• nitrogen trichlorine

What is the correct Lewis Dot Structure for NH₃?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

What is the electronegativity difference between Sulfur (S) and Fluorine (F)?