Chemical Bonding

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

What is the charge on a Hydrogen ion?

• +1
• 1
• 2

Tags

NGSS.HS-PS1-2

What is the charge of Neon?

• 0
• +1
• -1
• 1

Tags

NGSS.HS-PS1-1

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A(n) _________ is an ion with a positive (+) charge.

• anion
• cation
• ion
• solute

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

1.21 Anions are _________, while cations are _________.

• negatively-charged; positively-charged
• positively-charged; negatively-charged
• neutral ions; negatively-charged
• neutral ions; positively charged