Ions and Ionic Compounds Review (2018)

What is a cation's charge?

• positive

• negative

• neutral

• depends on the element

Tags

NGSS.HS-PS1-1

What type of ion does potassium become?

• cation

• anion

• polyatomic

What is the charge of iron (III)?

• +3

• +2

• +6

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Group 2 elements form____ ions

• 2-

• 1-

• 1+

• 2+

What charge does an atom have if it LOSES an electron? 

• Positive (+)
• Negative (-)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do cations form?

• Electrons gain or lose energy as they change energy levels

• Atoms share electrons with other atoms.

• Atoms lose one or more valence electrons.

• Atoms gain one or more valence electrons.

An aluminum atom can lose 3 electrons in order to have a full outer energy level. What charge does the resulting aluminum ion have?

• 1+
• 3+
• 2+
• 2-

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

NGSS.MS-PS1-1

Which of the following is a property of an ionic compound?

• high melting point
• soft
• malleable
• liquid at room temperature

Tags

NGSS.HS-PS1-3

Which property of ionic compounds is explained by the following statement? "When a force is applied to the crystal, the ions shift and causes electrostatic repulsion."

• Brittleness

• Low melting point

• High melting point

• Poor solid conductivity