Properties of Ionic and Covalent Bonds

Which compound has high melting point?

• Ionic

• Covalent

Tags

NGSS.HS-PS1-3

Which substance soluble in organic solvent?

• Covalent

• Ionic

Tags

NGSS.HS-PS1-1

Which of the following can conduct electricity in solid state?

• metals

• covalent compound

• ionic compound

Tags

NGSS.HS-PS1-3

Which compound can conduct electricity in molten and aqueous state?

• Ionic compound

• Covalent compound

Tags

NGSS.HS-PS1-3

Ions cannot move freely because they are tied by strong

............................

• electrostatic force

• Van der Waals

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Molecules in covalent compounds cannot conduct electricity because they are .....................

• charged

• neutral

• cannot move

Tags

NGSS.HS-PS1-3

When dissolved in water, water molecules help to overcome electrostatic attraction force between ions and break down the lattice structure of the solid compound. As a result, ions can move freely in water.

• True

• False

Tags

NGSS.HS-PS2-4

Organic solvents can overcome electrostatic forces between ions in a solid ionic compound. So, ionic compounds are soluble in organic solvent

• True

• False

Tags

NGSS.HS-PS2-4

Why ionic compounds are not volatile? Because they ...................

• have high melting and boiling points

• have low melting and boiling points

Tags

NGSS.HS-PS1-3

Giant molecules have a ................ structure and exist as .....................

• large, solid

• small, liquid

Tags

NGSS.HS-LS1-6