Covalent Bonding and Molecular Formulas

A binary covalent bond exists between

• 2 metals
• 1 metal and 1 nonmetal
• 2 nonmetals
• Any 2 elements

Tags

NGSS.HS-PS1-1

What is the correct name for NO?

• Mononitrogen Monoxide
• Nitrogen Monoxide
• Mononitrogen Dioxide
• Nitrogen Oxide

What is the formula for Tricarbon Octahydride?

• Ca₃O
• C₂H₈
• C₃H₈
• Ca₃H₈

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

Tags

NGSS.HS-PS1-1

A covalent compound made of one sulfur and two oxygen atoms would be named

• sulfur dioxide.
• sulfur oxide.
• disulfur oxide.
• sulfide oxygen.

The covalent compound N₂O₅ would be named

• nitrogen oxide.
• dinitrogen oxide.
• nitrogen pentoxide.
• dinitrogen pentoxide.

Is Hydrogen considered a metal or a non-metal?

• Metal
• Non-metal

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left