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First, draw an AlCl3 molecule, in dot-structure. You will see that in the molecule, Aluminum has only 6 electrons, 3 of which are shared with the chlorine atoms. It needs 2 more electrons to become more stable (8 electrons in the outer shell is usually stable). Now look at the chlorine atom in the AlCl3 molecule.It has 8 electrons, and thus, it is somewhat "stable". If a Chlorine atom from ANOTHER AlCl3 molecule formed a dative bond with the Aluminum atom(a dative bond is a covalent bond where both shared electrons come from just one species. In this case, both electrons come from the chlorine atom), this Al atom would now have 8 electrons as well. That is why AlCl3 exists as a dimer- as Al2Cl6 . It's structure is shown in this picture.
What else can I help you with?
Why does AlCl3 exist as Al2Cl6 molecules?
Because the electronegativity difference between aluminum and chlorine is not very high, despite the fact that Al is a metal and Cl is a non-metal. This means the compound will have high covalent character, and will do certain things chemically that molecular compounds do, like form molecules, and bond in an amount that isn't lowest possible terms.
What does molecule of an element mean?
A molecule of an element is a molecule made up of the same substance that can exist as an atom; for example, oxygen as O2.
A molecule is defined as the smallest part of an element or compound that can exist on its own. Which one of the following is not a molecule?
An individual atom is not considered a molecule. While a molecule can consist of two or more atoms bonded together, an atom represents the smallest unit of an element and does not exist as a standalone molecule. For example, a single oxygen atom (O) is not a molecule, whereas O2 (two oxygen atoms bonded together) is a molecule.
Is oxygen always in diatomic state?
Oxygen has a diatomic molecule and ozone a triatomic molecule.But also monoatomic oxygen exist.
What is water made up of tms or molecules?
The molecule of water is H2O; the molecule contain atoms. Liquid water exist as molecules association.
Is Na exist as a polyatomic molecule?
No.
What is the smallest piece of sugar that can exist?
molecule
Does beryllium exist as molecule?
It is only an atom.
Why does AlCl3 exist as Al2Cl6 molecules?
Because the electronegativity difference between aluminum and chlorine is not very high, despite the fact that Al is a metal and Cl is a non-metal. This means the compound will have high covalent character, and will do certain things chemically that molecular compounds do, like form molecules, and bond in an amount that isn't lowest possible terms.
What does molecule of an element mean?
A molecule of an element is a molecule made up of the same substance that can exist as an atom; for example, oxygen as O2.
Is the molecule CH C CH3 of 1-propane?
No, the molecule CH3CH2CH3 represents 1-propane. The molecule CH2CHCH3 does not exist.
Why a certain atom exist alone?
it can exist alone as a diatomic molecule eg O2 oxygen
Is xenon an atom or molecule?
Xenon is an element. It is mostly found in atomic form but can exist as a diatomic molecule.
What has 3 atoms in each molecule?
Molecule of nitrogen has 3 atoms of nitrogen. Nitrogen molecule exist as N3.
Which molecule is more likely to exist in nature a molecule of CH3 or a molecule of CH4 Explain?
A molecule of CH4 (methane) is more likely to exist in nature because it is a stable compound with all valence electrons satisfied through covalent bonding. A molecule of CH3, on the other hand, would be highly reactive due to the presence of an unpaired electron on the carbon atom, making it less likely to exist in nature.
A molecule is defined as the smallest part of an element or compound that can exist on its own. Which one of the following is not a molecule?
An individual atom is not considered a molecule. While a molecule can consist of two or more atoms bonded together, an atom represents the smallest unit of an element and does not exist as a standalone molecule. For example, a single oxygen atom (O) is not a molecule, whereas O2 (two oxygen atoms bonded together) is a molecule.
Are Atoms in a molecule sharing neutrons?
No, this phenomenon doesn't exist.
