Ball-and-stick model

Ball-and-stick model

In chemistry, the ball-and-stick model is a molecular model of a chemical substance which is to display both the three-dimensional position of the atoms and the bonds between them. The atoms are typically represented by spheres, connected by rods which represent the bonds. Double and triple bonds are usually represented by two or three curved rods, respectively, or alternately by correctly positioned sticks for the sigma and pi bonds. In a good model, the angles between the rods should be the same as the angles between the bonds, and the distances between the centers of the spheres should be proportional to the distances between the corresponding atomic nuclei. The chemical element of each atom is often indicated by the sphere's color.
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Ball-and-stick model

In chemistry, the ball-and-stick model is a molecular model of a chemical substance which is to display both the three-dimensional position of the atoms and the bonds between them. The atoms are typically represented by spheres, connected by rods which represent the bonds. Double and triple bonds are usually represented by two or three curved rods, respectively, or alternately by correctly positioned sticks for the sigma and pi bonds. In a good model, the angles between the rods should be the same as the angles between the bonds, and the distances between the centers of the spheres should be proportional to the distances between the corresponding atomic nuclei. The chemical element of each atom is often indicated by the sphere's color.
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http://dbpedia.org/resource/Ball-and-stick_model
has abstract
En chimie, un modèle moléculai ...... rogène, et le noir au carbone.
@fr
En química, el modelo de barra ...... para facilitar el aprendizaje
@es
In chemistry, the ball-and-sti ...... h models as learning material.
@en
In chimica, il modello ad asta ...... Wilhelm von Hofmann nel 1865.
@it
Modelos de bolas e varetas são ...... intersectando em seus volumes.
@pt
Un model de barres i boles (en ...... o models d'ordinador virtuals.
@ca
У хімії кулестрижнева модель — ...... ми, куди вставляються палички.
@uk
نموذج الكرة والعصا هو نموذج يس ...... لى كل عنصر كيميائي بلون مختلف.
@ar
球棍模型（英語：Ball-and-stick models） ...... ilhelm von Hofmann）所作，目的是用來講課。
@zh
球棒モデル（きゅうぼうモデル、英：Ball-and-stic ...... 値を相対的に表すが、原子の球の大きさは実際値は反映されない。
@ja
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En chimie, un modèle moléculai ...... tilisées suit une convention q
@fr
En química, el modelo de barra ...... diferentes colores de esfera.
@es
In chemistry, the ball-and-sti ...... dicated by the sphere's color.
@en
In chimica, il modello ad asta ...... amente due o tre aste curvate.
@it
Modelos de bolas e varetas são ...... intersectando em seus volumes.
@pt
Un model de barres i boles (en ...... l'element químic de cada àtom.
@ca
У хімії кулестрижнева модель — ...... емі Корі — Полінга — Колтуна.)
@uk
نموذج الكرة والعصا هو نموذج يس ...... لى كل عنصر كيميائي بلون مختلف.
@ar
球棍模型（英語：Ball-and-stick models） ...... ilhelm von Hofmann）所作，目的是用來講課。
@zh
球棒モデル（きゅうぼうモデル、英：Ball-and-stic ...... 値を相対的に表すが、原子の球の大きさは実際値は反映されない。
@ja
label
Ball-and-stick model
@en
Model de barres i boles
@ca
Modello ad asta e sfera
@it
Modelo de barras y esferas
@es
Modelo de bolas e varetas
@pt
Modèle moléculaire boules-bâtonnets
@fr
Pilko-bastoneta modelo
@eo
Stäbchenmodell
@de
Кулестержнева модель
@uk
نموذج الكرة والعصا
@ar
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