Why are the elements in the periodic table from the 57 to 71 and 89 to 103 written separately? - Quora
![Lanthanum symbol. Chemical element of the periodic table. Vector illustration. 11516594 Vector Art at Vecteezy Lanthanum symbol. Chemical element of the periodic table. Vector illustration. 11516594 Vector Art at Vecteezy](https://static.vecteezy.com/system/resources/previews/011/516/594/original/lanthanum-symbol-chemical-element-of-the-periodic-table-illustration-vector.jpg)
Lanthanum symbol. Chemical element of the periodic table. Vector illustration. 11516594 Vector Art at Vecteezy
![Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Puzzle piece with green background Stock Vector Image & Art - Alamy Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Puzzle piece with green background Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/K78TCG/lanthanium-symbol-element-number-57-of-the-periodic-table-of-the-elements-K78TCG.jpg)
Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Puzzle piece with green background Stock Vector Image & Art - Alamy
![Chemical element lanthanum images vectorielles, Chemical element lanthanum vecteurs libres de droits | Depositphotos Chemical element lanthanum images vectorielles, Chemical element lanthanum vecteurs libres de droits | Depositphotos](https://st4.depositphotos.com/19430622/39854/v/1600/depositphotos_398541864-stock-illustration-periodic-table-of-elements-icon.jpg)
Chemical element lanthanum images vectorielles, Chemical element lanthanum vecteurs libres de droits | Depositphotos
![Periodic Table of Elements Art Print Periodic Table of the - Etsy | Chemistry posters, Periodic table of the elements, Periodic table art Periodic Table of Elements Art Print Periodic Table of the - Etsy | Chemistry posters, Periodic table of the elements, Periodic table art](https://i.pinimg.com/736x/a8/7e/c8/a87ec8398a1472013b1ff2fbb551672a.jpg)
Periodic Table of Elements Art Print Periodic Table of the - Etsy | Chemistry posters, Periodic table of the elements, Periodic table art
![Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Green square frame with black background Stock Vector Image & Art - Alamy Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Green square frame with black background Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/2C1760D/lanthanium-symbol-element-number-57-of-the-periodic-table-of-the-elements-chemistry-green-square-frame-with-black-background-2C1760D.jpg)
Lanthanium symbol. Element number 57 of the Periodic Table of the Elements - Chemistry - Green square frame with black background Stock Vector Image & Art - Alamy
![3D illustration of Lanthanum as Element 57 of the Periodic Table. Grey illuminated atom design background with orbiting electrons. Name, atomic weight, element number in Spanish language Illustration Stock | Adobe Stock 3D illustration of Lanthanum as Element 57 of the Periodic Table. Grey illuminated atom design background with orbiting electrons. Name, atomic weight, element number in Spanish language Illustration Stock | Adobe Stock](https://as2.ftcdn.net/v2/jpg/03/09/32/81/1000_F_309328146_vl6weao55uggujDpRxxrLiLWR6YCmX3Y.jpg)
3D illustration of Lanthanum as Element 57 of the Periodic Table. Grey illuminated atom design background with orbiting electrons. Name, atomic weight, element number in Spanish language Illustration Stock | Adobe Stock
![Lanthanum La Chemical Element. Lanthanum Sign with Atomic Number. Chemical 57 Element of Periodic Table Stock Illustration - Illustration of pharmacy, molecular: 160969455 Lanthanum La Chemical Element. Lanthanum Sign with Atomic Number. Chemical 57 Element of Periodic Table Stock Illustration - Illustration of pharmacy, molecular: 160969455](https://thumbs.dreamstime.com/b/lanthanum-la-chemical-element-sign-atomic-number-periodic-table-elements-weight-symbol-laboratory-science-160969455.jpg)
Lanthanum La Chemical Element. Lanthanum Sign with Atomic Number. Chemical 57 Element of Periodic Table Stock Illustration - Illustration of pharmacy, molecular: 160969455
![La lanthane élément chimique. Le lanthane signe avec numéro atomique. 57 de l'élément chimique tableau périodique. Tableau périodique des éléments avec atomic nu Photo Stock - Alamy La lanthane élément chimique. Le lanthane signe avec numéro atomique. 57 de l'élément chimique tableau périodique. Tableau périodique des éléments avec atomic nu Photo Stock - Alamy](https://c8.alamy.com/compfr/2a49ane/la-lanthane-element-chimique-le-lanthane-signe-avec-numero-atomique-57-de-l-element-chimique-tableau-periodique-tableau-periodique-des-elements-avec-atomic-nu-2a49ane.jpg)
La lanthane élément chimique. Le lanthane signe avec numéro atomique. 57 de l'élément chimique tableau périodique. Tableau périodique des éléments avec atomic nu Photo Stock - Alamy
![Lanthanum la chemical element periodic Banque de photographies et d'images à haute résolution - Alamy Lanthanum la chemical element periodic Banque de photographies et d'images à haute résolution - Alamy](https://l450v.alamy.com/450vfr/2jpnyr0/lanthane-sur-table-periodique-metal-et-element-de-terre-rare-avec-le-symbole-la-de-la-lanthaniine-grecque-ce-qui-signifie-qu-il-est-cache-numero-atomique-57-2jpnyr0.jpg)