Indium (In) - 49 on the Periodic Table | Periodic Table

Standard IUPAC: Indium • Symbol: In • Atomic Mass: 114.818 u

Quick Factsheet: Indium (symbol In, atomic number 49) is element 49 on the periodic table of elements. It has a standard atomic weight of 114.818 u and an electron configuration of [Kr] 5s2 4d10 5p1. On the periodic table, Indium is classified in period 5 and group Main.

1. Periodic Table Position of Indium (49 on the Periodic Table)

Element Indium has atomic number Z = 49, meaning it contains 49 protons in its atomic nucleus and 49 electrons in its neutral state. On the standard periodic table of elements, Indium is located in period 5 and group Main.

2. Electron Configuration & Oxidation States (Indium Charges & Configuration)

Full Electron Configuration: [Kr] 5s2 4d10 5p1

Common Oxidation States (Charges): 1,2,3c

3. Physical Properties & Atomic Mass (Indium Atomic Mass)

Element Indium has a standard atomic weight of 114.818 u. Its melting point is 429.75 K and boiling point is 2345. K. The Pauling electronegativity value is 1.78.

Comprehensive chemical properties and data for Indium (In, Z=49).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

Al (Z=13) Ga (Z=31) Sn (Z=50) Tl (Z=81) Pb (Z=82) Bi (Z=83)

5. Frequently Asked Questions about Indium (FAQ)

What is the chemical symbol and atomic number of Indium?

The chemical symbol of Indium is In and its atomic number is 49.

What is the atomic mass and electron configuration of Indium?

Indium has a standard atomic mass of 114.818 u and ground-state electron configuration of [Kr] 5s2 4d10 5p1.

What periodic table group and period does Indium belong to?

Indium is located in period 5 and group Main on the periodic table of elements.

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