Periodic Table

Question 1

Give the symbol, element category, atomic number, atomic weight, electron configuration, oxidation states, and electric negativity for the following element.

Potassium

Answer 1

Symbol: K

Element category: alkali metal

Atomic number: 19

Atomic weight: 39.10

Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

Oxidation states: +1

Electronegativity: 0.82

Question 2

Give the symbol, element category, atomic number, atomic weight, electron configuration, oxidation states, and electric negativity for the following element.

Iodine

Answer 2

Symbol: I

Element category: halogen

Atomic number: 53

Atomic weight: 126.90

Electron configuration: 1s² 2s² 2p⁶ 3s²3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁵

Oxidation states: +7, +5, +3, +1, -1

Electronegativity: 2.66