how many atoms are then in one molecule of al(no3)3?
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In 1 formula unit of Al(NO3)3 , there are (clearly!) 9 atoms of oxygen, 3 nitrogen atoms, and 1 aluminum atom.
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Note the amounts of atoms of all the component in HNO3, which are 1 atom of Hydrogen, 1 atom of Nitrogen and 3 atoms of Oxygen.
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Aluminum has 13 protons, 13 electrons, and 14 neutrons.
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NO3 has 3 atoms of oxygen in it per molecule (indicated by the subscript of 3) and (NO3)2 means you have 2 NO3 molecules, meaning you double the subscript to get 6 oxygen atoms.
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How many atoms are there in total in a molecule of sulfur trioxide, SO3? C. Explanation: There are four atoms in total in a molecule of sulfur trioxide.
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The molecular formula for ammonia is NH3 . In a molecular formula, the subscript for each element indicates the number of atoms of each element. When there is no subscript written, it is understood to be 1. In one molecule of NH3 , there is 1 atom of N and 3 atoms of H , for a total of 4 atoms.
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(1)HNO3 molecule contains 3 Oxygen atoms/molecule, and you have (3) moles of that molecule.
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A sample of aluminum oxide, Al2O3(s) A l 2 O 3 ( s ) , contains 8.29×1025 8.29 × 10 25 total atoms.
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That means there are 13 electrons in a aluminum atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and three in shell three.
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The 3P1 shell has one electron in it (in Al's neutral atom) and that gives aluminum one lone valence electron and two "semi-valence" electrons which can be loaned out.
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Answer and Explanation: There are three magnesium atoms in the formula for magnesium nitride. The formula for magnesium nitride is Mg3 N2, meaning that a single molecule of...
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Aluminium is located in period 3, group 13, and has an atomic number equal to 13 . This tells you that the electron configuration of a neutral aluminium atom must account for a total of 13 electrons. Now, when aluminium forms 3+ cations, Al3+ , it loses 3 electrons from its outermost energy shell.
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In one mole of aluminum sulfate, Al2(SO4)3 , there are 2 moles Al atoms, 3 moles sulfur atoms, and 12 moles O atoms.
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AlCl3 Although a metal- nonmetal compound, AlCl3 is not ionic (as might be predicted). Single covalent bonds form between alluminium and three chlorine atoms, forming AlCl3 molecules.
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In case of AlCl3 , though it looks like an ionic reaction between one Aluminium and three Chlorine , it's not that simple. Yes ,it is not. You see , in case of ionic compounds , the metal loses electron while the non-metal accepts the electron. ... Hence , AlCl3 is basically a covalent compound.
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Therefore 2 moles will have 1.204*10^24 molecules of NH3. There are 4 atoms in each molecule, so 2 moles will have 4*(1.204*10^24) atoms which is 4.816*10^24 atoms.
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In that compound there are two aluminum atoms; three sulphur and 4*3=12 oxygen atoms.