Nun im Themenbereich Atombau_en
Topic Atomic Structure
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- Number of Protons (Atom-02)How Find I 'm going to out, How many Protons a Atomic energy has?
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- Indication of atomic mass (Atom-04)Standing The Indication The Relative Nuclear mass (on to the Periodic system) for a of the individual Atomic energy or a Mol?
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- Number of Protons, Neutrons and Electrons to determine (Atom-05)Fixed The Number of The Protons, Neutrons and Electrons the following: Nuclear power plants
Number of … Protons Neutrons Electrons 31H 52He 13C 234U 13C2+ 34S2- 4He2+ 17O 200Au+ 78Br– - 1
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- Number of Protons and Electrons (Atom-06)Given are the following: Notation: H2, H+2, H2+ What ? Notation is entirely wrong?
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- Different Elements, equal to Weight (Atom-11)the entry{isotopes:} Notes two various Elements (Including mass number), which The equal to Masses have.
Adopted: m(p) = m (n), The Weight The Electrons It should be in This exercise neglected will be. - 1
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- Common, atomic structure, isotope (Atom-12)What ? is The three Of a thickness of not more than 10 mm 28Si, 29Si, 30Si jointly, What ? is different?
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- Supposedly equal to molecules, But Different Weight, atomic structure (Atom-13)By The reaction of Bromine with Hydrogen is generated Bromine hydrogen gas (HBr). The following: isotopes participating The Commission to The reaction: 1H, 2H, 79Br and 81Br .
- How is The Balanced reaction equation?
- How many various HBr-molecules with of different Weight will be In this case of which:?
- What ? Isotope combination would be This The easiest HBr, which This most severe HBr-molecule? Indication Including molar mass.
Assumptions for The molar masses: They Calculated The Commission with The Simplification, that m(Proton) = m(Neutron). This means that Applicable the following::
M(1H) = 1 g/mol, M(2H) = 2 g/mol, M(79Br) = 79 g/mol and M(81Br) = 81 g/mol. - 1
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- Percentage of Hfrequency 1, atomic structure (Atom-14)In which Percentage Shares lying 28Si and 29Si before, where: The Share by weight of 30Si 3.1 % is?
Notes: m(28Si) = 27.9769 u, m(29Si) = 28.9765 u, m(30Si) = 29.9738 u - 1
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- Percentage of Hfrequency 2, atomic structure (Atom-15)More natural Carbon exists to 98.94% from 12C, The Remains of which: from 13C (m=13.003355 u).
- Calculate from This Values The to Expected Average Carbon mass.
- What ? can from to the the actual Value of 12.0107 (Value from to the PSE) Locked back will be?
- Calculate The to Expected Average Carbon mass with The The idea, that The Masses of m(12C)=12u and m(13C)=13u amount.
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- Percentage of Hfrequency 3, atomic structure (Atom-16)This Elements Chlorine exists from two Isotopes: 35Cl Responsibility. 37Cl. m(35Cl) = 34.969 u, Hfrequency = 75.77%, m(37Cl) = 36.966 u.
Calculate of which: The Average Weight One of them Hydrochloric acid and Interpreting This Results. - 1
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- Percentage of Hfrequency 4, atomic structure (Atom-17)Bromine I 'm going . in The Nature as Mixed The Both Stable isotopes 79Br and 81Br on. Hfrequency: 79Br to 50.65%, m = 78.918338 u. Calculate from The Average molar mass of the Manufacture in which all the materials used are: Now The Hfrequency and The Weight of the 81Br in u and g/mol.
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- Percentage of Hfrequency 5, atomic structure (Atom-18)One of them Elements exists from a Mixed from three Isotopes, Whereas The Both lighter isotopes The equal to Hfrequency have. The molar masses The three isotopes be also known.
Calculate of which: The Common Formula The Average molar mass of the Elements. - 1
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- isotopes: Percentage of Hfrequency 6, atomic structure (Atom-19)Silver Come on . as Mixed of two isotopes before 107Ag, Nuclear mass 106.906 u and 109Ag with The Nuclear mass of 108.905 u. How a lot Percentage Share has each isotope? calculation It 's just … to to to the Point, to The Equation It 's just … Not yet One Unknown Size has.
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- Coulomb’s law, Application 1 (Atom-20)By two The opposite loaded Particles will be The Distance doubled. How Large is The Strength Now?
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- Coulomb’s law, Application 2 (Atom-21)It works The Strength between a Electron and a Proton attractive or repulsive?
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- Coulomb’s law, Application 3 (Atom-22)How Changes The Commission The Strength between two Particles, where: The Loading One of them Particles three times will be? The Loading of the Other Particles Stay with me Right now., The same remaining The Distance Right now..
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- Coulomb’s law, Application 4 (Atom-23)How Changes The Commission The Strength between two Loads, where: The Distance between to them halved will be? The Loading Stay with me Right now..
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- Coulomb’s law, Application 5 (Atom-24)Two Particles with of equal value positive Loading will be from each other Distant. How modified The Commission The Rejecting Strength, where: The Distance three times will be?
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- Coulomb’s law, Application 6 (Atom-25)Two Particles with of equal value positive Loading will be from each other Distant. How modified The Commission The Strength, where: The Distance three times and The Loading One of them Particles four times will be?
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- Drilling Nuclear model, 1 (Atom-30)Explanation The The origin of the Lighting on the basis of the Drilling Nuclear models
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- Naming of Electrons (Atom-32)How the name It's The Electrons in The the last / External Shell?
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- Drilling Nuclear model (Atom-33)Give it away In the case of All of them the following Elements to, How a lot
- Electrons They In total have
- How many valence electrons Available
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- Drawing This Drilling and drilling Nuclear model (Atom-34)Drawing This of which: Nuclear model for the following: Elements: Fluoride, Magnesium, Manufacture in which all the materials used are wholly obtained.
By to each Models It should be Additionally the following: Information to be provided made will be:
– Number of valence electrons
– Indication The Of a thickness of not more than 10 mm
– The Shell(n), which to the Nuclear hulls be included
– Filling of hulls - 1
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- electron configuration (Atom-35)How is The complete electron configuration the following: Elements.
- C
- Nitrogen
- Cu
- Na+
- O2-
- Ca2+
- One of them Elements with 31 Electrons
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- Mof a kind used Number of Bindings One of them Hydrogen atoms (Atom-40)How many Bindings can a Hydrogen atom Involvement?
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- molecules drawing 1Lewis notation: How will be The Elements in The Lewis spelling Presented?
(Atom-43) - 1
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- molecules drawing 2Simply binding: Drawing The molecules H2O, CH4, H2O2, NH3, C2H6O (two Different Variants) (Atom-44)
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- molecules drawing, octet ruleoctet rule (Including Binding – not Binding Electron pairs): How can by: One of them drawn Structure It 's just … and Hurry up. Decided will be, whether or not This molecule in principle correctly is? (Atom-45)
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- molecules drawing 4molecules drawing II, It 's simple .- and Multiple binding: Drawing Other molecules, also with Double- and Triple bonds. (Atom-46)
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- molecules drawing, bond anglebond angle: How to be The molecules drawn will be, So that The bond angle correctly are. Provided will be, that This Drawing of Molecules dominated will be. (Atom-47)
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- molecules drawing, formal chargeformal charge: Determine The formal charge in Molecules. (Atom-48)
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- molecules drawing, Angles, 5 Atoms (Atom-49)Drawing a (!) Neutral molecule with Total 5 Atoms, which All of them Angles (180, 120, 109) Indicates.
Permitted are It 's just … The Atoms C, H, N and O - 1
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- formal charge to determine, molecules drawing (Atom-50)When must It's The formal charge to take into account and when not? Or How I 'm sure It's Not at all The formal charge?
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- polarity to determine 1 (Atom-52)How recognises It's, whether or not a molecule Polar is or not? When is a molecule polar/ein Dipol? Or: What ? Requirements must be fulfilled be, with a Dipol is generated? Or: What ? means Dipol?
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- Carbon, various Modifications (Atom-60)In the the following Text of the text to be The LOats and oats Vip3-a)-Vip3 , Vip3-b)-Vip3 , Vip3-c)-Vip3 and so on. meaningful Filled will be.
In the Flat-rolled products of iron or steel is each Carbon atom of Vip3-a)-Vip3 Other Carbon atoms surrounded. From to each Atomic energy Going four Right now. long Vip3-b)-Vip3 from. From this is given The Commission a very regularly Stable Grid. The Vip3-c)-Vip3 of the Diamonds is based on on this, that All of them External electrons One of them Carbon atoms of the Diamonds by: Nuclear bonds with each other Connected are. There you go. All of them four Carbon atoms to The Nuclear bonds Involved are, Directs a Other diamonds not The Vip3-d)-Vip3 .
This Graphite grids exists from many overlapping Vip3-e)-Vip3. All of them Atomic energy is with Vip3-f)-Vip3 Right now. Far away Distant Atoms Connected. The bond angle amount Vip3-g)-Vip3. From to each Atomic energy are by means of three External electrons in Bindings fixed. This Fourth Electron is Similarly How In the case of Manufacture from materials of any heading on The whole Layers mobility. This Explained The Good Vip3-h)-Vip3 of the Graphite. The Distance between The different Layers is about This Two and a half times of the Distance between Atoms of the same Layers. The Layers to leave The Commission lightly against each other. Vip3-i)-Vip3, Graphite is Therefore, Vip3-j)-Vip3. - 1
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- Carbon, Various Characteristics (Atom-61)FOther The Table from. Benefits In addition The the following WOther and Information to be provided: No, I 'm good, black, Colourless, Glowing, heavy, lightly, Transparent, very strong Light-breaking, very Hard, soft, 2.3 g/cm3, 3.5 g/cm3, about. 3700℃ dissolved not, Electrodes, Jewelry, Drilling- and Machinery for milling, Ointments, Pencil mines
Characteristic Other diamonds Graphite Appearance HOther Fragmentability Electrical Conductivity Density Melting point Use - 1
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