Transition Elements

Sessions

1. Session 1 of 9The transition elements and their series
   • Electric charges: attraction and repulsion
   • Matter is made of atoms and molecules
   • Atomic number and mass number
   • Main energy levels
   • Elements and their symbols
   • Periodic table: periods and groups
   • Energy sublevels (s, p, d, f)
   • Orbitals
   • Aufbau principle: the order of filling
   • Magnets and magnetic fields
   • Electron spin and the Pauli principle
   • Writing electronic configurations
   • Blocks of the periodic table
   • Transition elements in the periodic table
   • Main transition elements (d-block)
   • The four transition series
   • Elements of the first transition series
2. Session 2 of 9Economic importance of the first transition series
   • Light and waves
   • Electromagnetic radiation (UV, X-rays, gamma)
   • Valency and writing chemical formulas
   • Writing and balancing chemical equations
   • Catalyst
   • Properties of metals and non-metals
   • Acids, bases and salts
   • Acidic and basic oxides
   • Rusting and corrosion
   • Oxidation and reduction by oxygen
   • Chemical activity series of metals
   • Isotopes and average atomic mass
   • Radioactivity and gamma rays
   • Economic importance of scandium and titanium
   • Economic importance of vanadium and chromium
   • Why chromium resists the effect of atmosphere
   • Economic importance of manganese
   • Economic importance of iron and cobalt
   • Economic importance of nickel
   • Economic importance of copper and zinc
3. Session 3 of 9Electronic configurations and oxidation states
   • Hund's rule: one electron in each orbital first
   • Ions (cations and anions)
   • Oxidation state in compounds
   • Oxidation and reduction by electrons
   • Atomic radius trend
   • Ionization potential (ionization energy)
   • Electronic configuration of the first transition series
   • Abnormal electronic configuration of chromium and copper
   • Ions: 4s electrons are lost first
   • Iron(II) is easily oxidized while manganese(II) is not
   • Oxidation states from Sc to Zn
   • Why several oxidation states
   • Definition of the transition element
   • Are coinage metals and zinc transition elements?
4. Session 4 of 9General properties: mass, radius and metallic property
   • States of matter, melting and boiling points
   • Ionic and covalent bonds
   • Metallic bond
   • Density
   • Atomic mass: why nickel is abnormal
   • Atomic radius: nearly constant
   • The metallic property
   • High melting and boiling points
   • Density increases with atomic number
5. Session 5 of 9Magnetic properties and catalytic activity
   • Bond breaking and bond forming
   • Activation energy and energy profile
   • Reading equations: states and conditions
   • Haber-Bosch method for ammonia
   • Paramagnetic and diamagnetic substances
   • Unpaired electrons and magnetic moment
   • Catalytic activity of transition elements
   • Nickel, iron and V₂O₅ as catalysts
6. Session 6 of 9Iron ores and extraction of iron
   • Elements, compounds and mixtures
   • Water of crystallization
   • Separating mixtures
   • Types of chemical reactions
   • Molar mass
   • Mass percentage of an element
   • Natural gas (methane)
   • Iron: abundance and suitability of iron ore
   • Important iron ores
   • Ore dressing: crushing, sintering, concentrating
   • Roasting of iron ore
   • Reduction in the blast furnace
   • Reduction in the Midrex furnace
   • Iron production and steel
7. Session 7 of 9Alloys and their types
   • Electric current
   • Electroplating
   • Alloys: definition and preparation
   • Interstitial alloys
   • Substitutional alloys
   • Intermetallic alloys
8. Session 8 of 9Properties of iron
   • Concentrated and dilute solutions
   • Metal + dilute acid
   • Physical properties of iron
   • Effect of air and water vapour
   • Iron with non-metals: chlorine and sulphur
   • Iron with dilute acids
   • Iron with hot concentrated sulphuric acid
   • Passivity of iron
9. Session 9 of 9Iron oxides
   • Iron(II) oxide FeO
   • Iron(III) oxide Fe₂O₃
   • Magnetic iron oxide Fe₃O₄
   • Iron and its oxides: reaction diagrams

Videos

• Electric charges: attraction and repulsion: from zero05:14
• Matter is made of atoms and molecules: from zero04:19
• Atomic number and mass number: from zero04:42
• Main energy levels: from zero05:03
• Elements and their symbols: from zero04:20
• Periodic table: periods and groups: from zero04:27
• Energy sublevels (s, p, d, f): from zero03:49
• Orbitals: from zero03:33
• Aufbau principle (order of filling): from zero05:34
• Magnets and magnetic fields: from zero03:33
• Electron spin and the Pauli principle: from zero04:39
• The transition elements and their series08:17
• Light and waves: from zero04:02
• Electromagnetic radiation (UV, X-rays, gamma): from zero04:12
• Acids, bases and salts: from zero05:35
• Acidic and basic oxides: from zero04:36
• Rusting and corrosion: from zero05:20
• Economic importance of the first transition series12:47
• Ions (cations and anions): from zero05:32
• Electronic configurations and oxidation states11:57
• Ionic and covalent bonds: from zero05:31
• General properties: mass, radius and metallic property10:26
• Bond breaking and bond forming: from zero04:36
• Magnetic properties and catalytic activity11:42
• Elements, compounds and mixtures: from zero05:10
• Separating mixtures: from zero05:21
• Types of chemical reactions: from zero06:21
• Molar mass: from zero05:34
• Natural gas (methane): from zero05:07
• Iron ores and extraction of iron12:14
• Electric current: from zero04:37
• Alloys and their types10:00
• Concentrated and dilute solutions: from zero04:35
• Properties of iron11:49
• Iron oxides10:51
• The Lonely Four07:30
• From Rock to Bridge06:57

Practice

• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice
• Transition Elements · Practice

Concepts

• Metal + dilute acid
• Alloys: definition and preparation
• Intermetallic alloys
• Interstitial alloys
• Substitutional alloys
• Atomic number and mass number
• Aufbau principle (order of filling)
• Writing electronic configurations
• Electron spin and the Pauli principle
• Main energy levels
• Hund's rule and orbital-box diagrams
• Isotopes and average atomic mass
• Orbitals
• Structure of the atom
• Energy sublevels (s, p, d, f)
• Ionic and covalent bonds
• Metallic bond
• Acids, bases and salts
• Chemical activity series of metals
• Haber-Bosch method for ammonia
• Bond breaking and bond forming
• Catalyst
• Electroplating
• Elements, compounds and mixtures
• Elements and their symbols
• Writing and balancing chemical equations
• Reading equations: states and conditions
• Ions (cations and anions)
• Properties of metals and non-metals
• Separating mixtures
• Natural gas (methane)
• Acidic and basic oxides
• Types of chemical reactions
• Rusting and corrosion
• Concentrated and dilute solutions
• Valency and writing chemical formulas
• Water of crystallization
• Reduction in the blast furnace
• Iron and its oxides: reaction diagrams
• Reduction in the Midrex furnace
• Iron: abundance and suitability of iron ore
• Ore dressing: crushing, sintering, concentrating
• Important iron ores
• Iron(III) oxide Fe₂O₃
• Magnetic iron oxide Fe₃O₄
• Iron(II) oxide FeO
• Passivity of iron
• Physical properties of iron
• Iron with hot concentrated sulphuric acid
• Iron with dilute acids
• Effect of air and water vapour
• Iron with non-metals: chlorine and sulphur
• Roasting of iron ore
• Iron production and steel
• The four arithmetic operations
• Fractions and decimals
• Positive and negative numbers
• Reading Latin letters
• Percentages
• Reading and writing Arabic
• Reading tables and graphs
• Counting and whole numbers
• Activation energy and energy profile
• Density
• Electric charges attract and repel
• Electric current
• Electromagnetic radiation (UV, X-rays, gamma)
• Magnets and magnetic fields
• Mass and volume
• Radioactivity and gamma rays
• States of matter, melting and boiling points
• Light and waves
• Atomic radius trend
• Blocks of the periodic table
• Periodic table: periods and groups
• Ionization energy
• Oxidation state in compounds
• Oxidation and reduction by oxygen
• Oxidation and reduction by electrons
• Matter is made of atoms and molecules
• Mass percentage of an element
• Molar mass
• Atomic mass: why nickel is abnormal
• Atomic radius: nearly constant
• Nickel, iron and V₂O₅ as catalysts
• Catalytic activity of transition elements
• Why chromium resists the effect of atmosphere
• Abnormal electronic configuration of chromium and copper
• Main transition elements (d-block)
• Definition of the transition element
• Are coinage metals and zinc transition elements?
• Density increases with atomic number
• Electronic configuration of the first transition series
• Iron(II) is easily oxidized while manganese(II) is not
• Elements of the first transition series
• High melting and boiling points
• Ions: 4s electrons are lost first
• Unpaired electrons and magnetic moment
• Paramagnetic and diamagnetic substances
• The metallic property
• Why several oxidation states
• Oxidation states from Sc to Zn
• Transition elements in the periodic table
• The four transition series
• Economic importance of copper and zinc
• Economic importance of iron and cobalt
• Economic importance of manganese
• Economic importance of nickel
• Economic importance of scandium and titanium
• Economic importance of vanadium and chromium