Intro to Bonding Recap

When a bond is BROKEN, energy is ______

• released

• absorbed

Tags

NGSS.HS-PS1-4

Ionic bonds are between

• metals and nonmetals

• 2 metals

• 2 nonmetals

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

Tags

NGSS.HS-PS1-3

What two types of atoms make a covalent bond?

• 2 nonmetals

• 2 metals

• 1 metal and 1 nonmetal`

Which of the following is an Covalent compound?

• NaCl

• CaCl₂

• KI

• CO

Which refers to the unequally shared electrons of molecules?

• Nonpolar covalent

• Polar covalent

• Ionic

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

An example of an ionic compound is Sodium Chloride, which is made from Na⁺ and Cl^- ions. Why do these ions form an ionic bond?

• They have like charges

• They are from the same group

• They are from the same period

• They have opposite charges

Tags

NGSS.HS-PS1-3

Which of the following ordered pairs of elements has the highest difference in electronegativity?

• Li and Be

• Li and F

• O and F

• F and F

Which has a greater ionic character, KCl or K₂O?

• KCl

• K₂O

Tags

NGSS.HS-PS1-3