Covalent Bond Check In - 1

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Why do elements bond?

• To be friends
• To create a new element
• To become stable

Tags

NGSS.HS-PS1-3

Ionic or covalent?
NaBr

• Ionic
• Covalent

Tags

NGSS.HS-PS1-3

Ionic or covalent?
H₂O

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

Tags

NGSS.HS-PS1-4