Fluorine Electron Configuration Concepts

The video tutorial explains two main methods to determine the ionic charge of fluorine: using periodic table trends and electron configurations. It details how fluorine, with an atomic number of nine, has a one minus ionic charge. The tutorial covers writing electron configurations, highlighting that fluorine has seven valence electrons and tends to gain one more to achieve a stable configuration like neon. The video concludes by reinforcing the concept that fluorine's ionic charge is one minus.

What are the two main methods to determine the ionic charge of fluorine?

• Studying molecular geometry and bond angles

• Analyzing chemical reactions and physical properties

• Observing periodic table trends and electron configurations

• Using atomic mass and density

According to periodic table trends, what is the ionic charge of fluorine?

• One plus

• Two plus

• One minus

• Zero

What is the atomic number of fluorine?

• 9

• 8

• 7

• 10

How many electrons can the 1s orbital hold?

• 1

• 4

• 3

• 2

How many valence electrons does fluorine have in its second energy level?

• 8

• 7

• 6

• 5

What is the electron configuration of fluorine before it gains an electron?

• 1s2 2s2 2p5

• 1s2 2s2 2p3

• 1s2 2s2 2p6

• 1s2 2s2 2p4

What happens to fluorine's electron configuration when it gains an electron?

• It becomes 1s2 2s2 2p5

• It becomes 1s2 2s2 2p6

• It becomes 1s2 2s2 2p3

• It becomes 1s2 2s2 2p4

Which noble gas does fluorine's electron configuration resemble after gaining an electron?

• Helium

• Argon

• Krypton

• Neon

Why does fluorine tend to gain an electron when bonding?

• To lose energy

• To become positively charged

• To increase its atomic number

• To achieve a full outer shell like neon

What is the final ionic charge of fluorine after it gains an electron?

• Zero

• Two plus

• One plus

• One minus