
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.
H | He | ||||||||||||||||
Li | Be | B | C | N | O | F | Ne | ||||||||||
Na | Mg | Al | Si | P | S | Cl | Ar | ||||||||||
K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr |
Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe |
Cs | Ba | La* | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn |
Fr | Ra | Ac** | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og |
*Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | ||||
**Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr |
Facts about platinum
Here are a few interesting facts about the platinum element.
- Platinum was given its name from the Spanish word “platina”.
- Earth’s crust contains only 5 parts per billion of platinum.
- 30% of platinum is used in jewelry and 50% of platinum is used in catalytic converters.
- Meteors and moon rocks also contain platinum.
- Platinum is largely obtained from South Africa, which makes it the leading producer of platinum.
- 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.
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