Covalent Bonding

What kind of elements participate in covalent bonds?

• nonmetals

• metals and nonmetals

• metals

• metalloids

How do atoms satisfy the octet rule in covalent bonding?

• sharing electrons

• transferring electrons

• gaining electrons

• giving up electrons

Which of the following molecules is an example of a covalent compound?

• NaCl

• H2O

• CaO

• MgCl2

Which of the following is a property of covalent compounds?

• Conduct electricity in solid state

• Low melting and boiling points

• High melting and boiling points

• Conduct electricity in liquid state

Which of the following elements is most likely to form a covalent bond?

• Iron

• Calcium

• Chlorine

• Sodium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following pairs of elements is most likely to form a covalent bond?

• Magnesium and Chlorine

• Potassium and Bromine

• Carbon and Oxygen

• Sodium and Fluorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a typical property of covalent compounds?

• Metallic luster

• Low electrical conductivity

• High melting point

• High electrical conductivity

Tags

NGSS.HS-PS1-1

What is the primary characteristic of a covalent bond?

• It involves the formation of a metallic lattice.

• It involves the transfer of electrons from one atom to another.

• It involves the sharing of electron pairs between atoms.

• It involves the attraction between oppositely charged ions.

Which of the following elements is least likely to form a covalent bond?

• Oxygen

• Neon

• Carbon

• Hydrogen

Which of the following molecules is polar due to its covalent bonds?

• H2O

• CO2

• CH4

• O2