Platinum (Pt) – Periodic Table [Element Information & More]

PLatinum element (Pt) is in group 10 and period 6 of a periodic table. Platinum is in the d-block and it is classified as a transition element on the periodic table.

There is a lot more information related to platinum which is mentioned in the Information Table given below.

So let’s dive right into it!

Table of contents

• Platinum element (Information Table)
• Platinum element in Periodic table
• Facts about Platinum
• Properties of Platinum
• Uses of Platinum

Platinum Element (Information Table)

The important data related to platinum element is given in the table below.

Appearance of platinum	Silvery white appearance
Atomic number of platinum	78
Symbol of platinum	Pt
Atomic mass of platinum	195.08 u
Protons, Neutrons & Electrons in platinum	Protons: 78, Neutrons: 117, Electrons: 78
State of platinum (at STP)	Solid
Group number of platinum in periodic table	10
Period number of platinum in periodic table	6
Block of platinum in periodic table	d-block
Category of platinum	Transition metals
Bohr model or Electrons per shell or Electrons arrangement in platinum	2, 8, 18, 32, 17, 1
Electron configuration of platinum	[Xe] 4f14 5d9 6s1
Orbital diagram of platinum
Electronegativity of platinum (on pauling scale)	2.28
Atomic radius of platinum (van der Waals radius)	209 picometers
Density of platinum	21.45 g/cm3
1st ionization energy of platinum	9 eV
Main isotopes of platinum	195Pt
Melting point of platinum	2041 K or 1768 °C or 3214 °F
Boiling point of platinum	4098 K or 3825 °C or 6917 °F
Crystal structure of platinum	Face Centered Cubic (FCC)
Discovery of platinum	By Antonio de Ulloa in 1735

Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).

Platinum element in Periodic table

The Platinum element (Pt) has the atomic number 78 and is located in group 10 and period 6. Platinum is a metal and it is classified as a transition element.

Click on above elements in the periodic table to see their information.

Facts about platinum

Here are a few interesting facts about the platinum element.

1. Platinum was given its name from the Spanish word “platina”.
2. Earth’s crust contains only 5 parts per billion of platinum.
3. 30% of platinum is used in jewelry and 50% of platinum is used in catalytic converters.
4. Meteors and moon rocks also contain platinum.
5. Platinum is largely obtained from South Africa, which makes it the leading producer of platinum.
6. Platinum is a precious metal and it is also known as “white gold”.

Properties of platinum

Here is a list of some physical properties and chemical properties of platinum.

Physical properties of platinum

• Platinum has a silvery white appearance.
• Platinum is a ductile and malleable metal.
• Platinum has many isotopes and the most abundant isotope is ¹⁹⁵Pt.
• The melting point and boiling point of platinum is 2041 K and 4098 K respectively.
• Platinum has FCC crystal structure.

Chemical properties of platinum

• Platinum is a chemically inert metal and it does not show much chemical reactions.
• Platinum does not react with oxygen even at elevated temperatures.
• Platinum dissolves in hot aqua regia to form chloroplatinic acid.
• Platinum has electron configuration [Xe] 4f¹⁴ 5d⁹ 6s¹ and it has incomplete d-orbitals.

Uses of platinum

Here are some uses of the platinum element.

• Platinum is used in jewelry as it is a precious metal.
• As platinum is a precious metal, it is also used for investment.
• Platinum is also used in catalytic converters.
• The platinum-iridium alloy was used to make the international standard kilogram weight.

External resources:

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3. Kaye, G W.C., & Laby, T H. Tables of physical and chemical constants. 15th Edition. United States.
4. Sansonetti, J. E., & Martin, W. C. (2005, December). Handbook of Basic Atomic Spectroscopic Data. Journal of Physical and Chemical Reference Data, 34(4), 1559–2259. https://doi.org/10.1063/1.1800011
5. Bondi, A. (1964, March). van der Waals Volumes and Radii. The Journal of Physical Chemistry, 68(3), 441–451. https://doi.org/10.1021/j100785a001
6. Holden, et al. (2018, December 1). IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report). Pure and Applied Chemistry, 90(12), 1833–2092. https://doi.org/10.1515/pac-2015-0703
7. Zhang, et al. (2011, January 11). Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Journal of Chemical & Engineering Data, 56(2), 328–337. https://doi.org/10.1021/je1011086
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