Lewis Structures and Ionic Compounds

An ionic bond forms between________________.

• two atoms that are sharing electrons to complete their respective octets

• two atoms that independently have full octets

• positive ions and negative ions

• All of the above.

Tags

NGSS.HS-PS1-3

Structures of atoms and molecules whose valence electrons are represented by dots are known as ___________ structures.

• Arrhenius

• Brönsted

• Lewis

• Lowry

The structure of an atom and molecule whose valence electrons that are represented by dots is named after ___________.

• Milbert Newton Lewis

• Isaac Newton Lewis

• George Newton Lewis

• Gilbert Newton Lewis

Tags

NGSS.MS-PS1-1

How many valence electrons do stable atoms have?

• 6

• 7

• 8

• 5

Tags

NGSS.HS-PS1-1

Refer to a periodic table. Which of the following is the correct Lewis structure for potassium fluoride?

• K – F

• K = F

• 
• 

Tags

NGSS.HS-PS1-1

Identify each bond description as covalent (C), ionic (I), or metallic (M).

• Ionic

• Metallic

• Covalent

Which of the following best describes an ionic compound?

• A compound formed by the sharing of electrons

• A compound formed by the transfer of electrons

• A compound formed by the sharing of protons

• A compound formed by the transfer of protons

Tags

NGSS.HS-PS1-3

What is the primary characteristic of a Lewis structure?

• It shows the arrangement of protons in an atom

• It shows the arrangement of neutrons in a molecule

• It shows the arrangement of valence electrons in a molecule

• It shows the arrangement of atomic nuclei

Which of the following elements is most likely to form an ionic bond with chlorine?

• Oxygen

• Nitrogen

• Sodium

• Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a Lewis structure, what do the dots around an element symbol represent?

• Protons

• Neutrons

• Valence electrons

• Atomic mass