Bonding 1: BARF, Types of Bonds, Properties

The Electron Sea Model explains why metals are ....

• excellent conductors

• are very reactive

• accept electrons easily

• form ionic compounds

Tags

112.35.c.7.D

Metals tend to do what with their valence electrons?

• gain electrons

• share electrons

• lose electrons

• do nothing with the electrons

Tags

112.35.c.7.D

Choose the false statement concerning the valence electrons in metallic bonding:

• they are free

• they are mobile

• they are bound to a single atom

• they are delocalized

Tags

112.35.c.7.D

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when in solution

• They have high boiling points

• They are insoluble in water

Which of the following is a characteristic property of ionic compounds?

• They form hard, brittle crystals with characteristic shapes
• They have low melting points
• They have low boiling points
• They contain no charged particles

Tags

NGSS.HS-PS1-3

In what form can an ionic compound conduct electricity?

• when dissolved in water
• as a solid
• as a crystal
• when warmed slightly

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms

Tags

NGSS.HS-PS1-2

This type of model shows only the valence electrons of an element? 

• Bohr diagram 
• Childers model
• Lewis-dot diagram 
• What is a valence electron again?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This could be the dot diagram of

• Ne
• H
• C
• F

Tags

NGSS.HS-PS1-1

According to the diagram below, how many bonds will this atom need to make to be stable?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1