Covalent vs Ionic Bonds

Why do atoms form bonds?

• To increase their energy levels

• To reach a more stable, lower energy state

• To gain more protons

• To become electrically charged

Tags

NGSS.HS-PS1-1

What rule explains the stability of atoms with eight electrons in their valence shell?

• The Electron Rule

• The Octet Rule

• The Stability Rule

• The Duplet Rule

Which element needs only two electrons to fulfill the octet rule?

• Nitrogen

• Hydrogen

• Carbon

• Oxygen

What is the main reason atoms bond with each other?

• To create new elements

• To fulfill the octet rule

• To decrease their charge

• To increase their size

What type of bond is formed by the transfer of electrons from a metal to a non-metal?

• Hydrogen Bond

• Metallic Bond

• Ionic Bond

• Covalent Bond

In an ionic bond, what does the metal atom become?

• A neutral atom

• A molecule

• A cation

• An anion

What is the structure formed by ionic compounds called?

• Molecular lattice

• Covalent lattice

• Ionic lattice

• Crystal lattice

What is the charge of an anion?

• Negatively charged

• Positively charged

• Neutral

• Variable charge

What characteristic feature defines a crystal lattice?

• Random molecular structure

• Linear arrangement of ions

• Repeating two-dimensional structure

• Repeating three-dimensional structure

What type of covalent bond shares electrons evenly between atoms?

• Metallic Bond

• Nonpolar Covalent Bond

• Polar Covalent Bond

• Ionic Bond