Valence Electrons and Ions

How does Lithium become an ion?

• Lose 1 electron

• Gain 7 electrons

• Lose 3 electrons

• Gain 1 electron

Tags

NGSS.MS-PS1-1

How does Fluorine become an ion?

• Gain 1 electron

• Lose 1 electron

• Lose 7 electrons

• Lose 2 electrons

Tags

NGSS.MS-PS1-1

An ionic bond is the attraction between:

• oppositely charged ions

• similarly charged ions

• neutral ions

• neutral atoms

Tags

NGSS.HS-PS1-3

Ionic bonds form between a

• two metals

• nonmetal and nonmetal

• metal and nonmetal

• two metalloids

According the "Octet rule", how many valence electrons does an atom need to have a stable electron configuration?

• 1

• 5

• 8

• 10

All chemical bonds involve

• valence electrons

• protons

• neutrons

In an Ionic bond, electrons _______________ between atoms.

• are shared

• are transferred

• flow freely

A Cation is an ion with a __________ charge.

• positive

• negative

• neutral

Which group in the periodic table has elements with a stable electron structure? (Full outer shell)

• Group 1

• Group 2

• Group 14

• Group 18 (Noble Gases)

H and He are exceptions to the Octet Rule. How many electrons can they have in their outer shell?

• 1

• 2

• 8

• 10