VSEPR and Covalent Compounds

Which of the following best describes a covalent bond?

• electrons are transferred

• good conductors of electricity

• a metal and a nonmetal

• nonmetals only

Tags

NGSS.MS-PS1-1

What is the difference between the valence electrons in an ionic bond versus a covalent bond?

• Covalent compounds transfer electrons; Ionic compounds share electrons

• Both covalent and ionic compounds transfer electrons

• Covalent compounds share electrons; Ionic compounds transfer electrons

• Both covalent and ionic compounds share electrons

Which of the following statements about covalent bonds is true?

• They involve the transfer of electrons.

• They are typically formed between metals and nonmetals.

• They involve the sharing of electron pairs between atoms.

• They are weaker than hydrogen bonds.

What type of chemical bonds occurs when atoms share electrons?

Tags

NGSS.HS-PS1-2

Which of the following is a covalent compound?

• NO

• NaSe

• LiAs

• BeV

Answer explanation

Remember Covalent is when two nonmetals bond.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.

• electrons are completely transferred between two atoms.

• pairs of electrons are shared between two atoms.

• ions are held together by opposite charges.

Tags

NGSS.HS-PS1-1

Covalent compounds

• contain a sea of electrons

• share electrons

• transfer electrons

• conduct electricity

What is the correct Lewis dot structure for SiCl4?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons would be in the Lewis dot diagram for CF4?

• 44 valence electrons

• 28 valence electrons

• 4 valence electrons

• 32 valence electrons

VSEPR Theory refers to:

• valence shell electron pair repulsion

• valence shell energy pair reduction

• valence sigma electron partner repulsion

• valence single electron pair repulsion