electron configuration, valence electrons, dot notation, ion

How many total electrons does the first shell of electrons hold?

• 1

• 2

• 8

• 10

How many total electrons does the second shell of electrons hold?

• 1

• 2

• 8

• 10

What is the electron configuration of Lithium(Atomic# 3)?

• 1S2 2S2 2P6

• 1S2 2S1

• 1S2 2S2 2P4

• 1S2 2S2 2P6 3S2 3D6

What is the electron configuration of Oxygen(Atomic# 8)?

• 1S2 2S2 2P6

• 1S2 2S1

• 1S2 2S2 2P4

• 1S2 2S2 2P6 3S2 3D6

What is the electron configuration of Neon(Atomic# 10)?

• 1S2 2S2 2P6

• 1S2 2S1

• 1S2 2S2 2P4

• 1S2 2S2 2P6 3S2 3D6

What is the electron configuration of Iron(Atomic# 26)?

• 1S2 2S2 2P6

• 1S2 2S1

• 1S2 2S2 2P4

• 1S2 2S2 2P6 3S2 3D6

What is the electron configuration of Oxygen 2- ? (Atomic# 8 and remember that ions have a different number of electrons that causes the charge)

• 1S2 2S2 2P6

• 1S2 2S1

• 1S2 2S2 2P4

• 1S2 2S2 2P6 3S2 3D6

How many outer valence electrons does Sodium have? (Atomic number 11 Na)

• 1

• 2

• 8

• 11

How many outer valence electrons does Argon have? (Atomic number 18 Ar)

• 1

• 2

• 6

• 8

How many dots will the dot structure for Oxygen have? (Atomic number 8 O)

• 1

• 2

• 6

• 8