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Cadmium is a chemical element.
Symbol: Cd 
Appearance: silvery bluish-gray metallic
Standard atomic weight(Cd): 112.414
Atomic number: 48
Group: 12
Period: Period 5
Block: d-block
Element category: Post-transition metal, alternatively considered a transition metal
Electron configuration: [Kr] 4d10 5s2
Electrons per shell: 2, 8, 18, 18, 2

Physical properties:- Phase at STP: solid
Melting point: 594.22 K ​(321.07 °C, ​609.93 °F)
Boiling point: 1040 K ​(767 °C, ​1413 °F)
Density (near r.t.): 8.65 g/cm3
when liquid (at m.p.): 7.996 g/cm3
Heat of fusion: 6.21 kJ/mol
Heat of vaporization: 99.87 kJ/mol
Molar heat capacity: 26.020 J/(mol·K)

Atomic properties:- Oxidation states: −2, +1, +2 (a mildly basic oxide)
Electronegativity: Pauling scale - 1.69
Ionization energies: 1st - 867.8 kJ/mol
2nd - 1631.4 kJ/mol
3rd - 3616 kJ/mol
Atomic radius: empirical - 151 pm
Covalent radius: 144±9 pm
Van der Waals radius: 158 pm
Natural occurrence: primordial
Crystal structure: ​hexagonal close-packed (hcp)

Discovery and first isolation: Karl Samuel Leberecht Hermann  and Friedrich Stromeyer (1817)

This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of its compounds, and like mercury, it has a lower melting point than the transition metals in groups 3 through 11. Cadmium and its congeners in group 12 are often not considered transition metals, in that they do not have partly filled d or f electron shells in the elemental or common oxidation states. The average concentration of cadmium in Earth's crust is between 0.1 and 0.5 parts per million (ppm).
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Cadmium is a chemical element. Symbol: Cd Appearance: silvery bluish-gray metallic Standard atomic weight(Cd): 112.414 Atomic number: 48 Group: 12 Period: Period 5 Block: d-block Element category: Post-transition metal, alternatively considered a transition metal Electron configuration: [Kr] 4d10 5s2 Electrons per shell: 2, 8, 18, 18, 2 Physical properties:- Phase at STP: solid Melting point: 594.22 K ​(321.07 °C, ​609.93 °F) Boiling point: 1040 K ​(767 °C, ​1413 °F) Density (near r.t.): 8.65 g/cm3 when liquid (at m.p.): 7.996 g/cm3 Heat of fusion: 6.21 kJ/mol Heat of vaporization: 99.87 kJ/mol Molar heat capacity: 26.020 J/(mol·K) Atomic properties:- Oxidation states: −2, +1, +2 (a mildly basic oxide) Electronegativity: Pauling scale - 1.69 Ionization energies: 1st - 867.8 kJ/mol 2nd - 1631.4 kJ/mol 3rd - 3616 kJ/mol Atomic radius: empirical - 151 pm Covalent radius: 144±9 pm Van der Waals radius: 158 pm Natural occurrence: primordial Crystal structure: ​hexagonal close-packed (hcp) Discovery and first isolation: Karl Samuel Leberecht Hermann and Friedrich Stromeyer (1817) This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of its compounds, and like mercury, it has a lower melting point than the transition metals in groups 3 through 11. Cadmium and its congeners in group 12 are often not considered transition metals, in that they do not have partly filled d or f electron shells in the elemental or common oxidation states. The average concentration of cadmium in Earth's crust is between 0.1 and 0.5 parts per million (ppm). #chemistry #periodic_table #chemicals #elements #molecule #atoms #chemistry_love #chemist #all_about_chemistry #chemistry_memes #chemistry_magic #chemistry_lovers #chemistry_vibes #IYPT2019 #chem #chemistry_lab #chemicalguys #chemistrynotes #chemistryexperiments #chemistryeducation #chemistryisfun #chemistrylife #chemistryday #chemistrystudents #chemistryislife #quimica #ilovechemistry #scientist #laboratory #lab ...

Silver is a chemical element.
Symbol: Ag
Appearance: lustrous white metal
Standard atomic weight(Ag): 107.8682
Atomic number: 47
Group: 11
Period: Period 5
Block: d-block
Element category: Transition metal
Electron configuration: [Kr] 4d10 5s1
Electrons per shell: 2, 8, 18, 18, 1

Physical properties:- Phase at STP: solid
Melting point: 1234.93 K ​(961.78 °C, ​1763.2 °F)
Boiling point: 2435 K ​(2162 °C, ​3924 °F)
Density (near r.t.): 10.49 g/cm3
when liquid (at m.p.): 9.320 g/cm3
Heat of fusion: 11.28 kJ/mol
Heat of vaporisation: 254 kJ/mol
Molar heat capacity: 25.350 J/(mol·K)

Atomic properties:- Oxidation states: −2, −1, +1, +2, +3 (an amphoteric  oxide)
Electronegativity: Pauling scale -1.93
Ionisation energies: 1st - 731.0 kJ/mol
2nd - 2070 kJ/mol
3rd - 3361 kJ/mol
Atomic radius: empirical - 144 pm
Covalent radius: 145±5 pm
Van der Waals radius: 172 pm
Natural occurrence: primordial
Crystal structure: ​face-centred cubic (fcc)

Discovery: before 5000 BC

A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form (

Silver is a chemical element. Symbol: Ag Appearance: lustrous white metal Standard atomic weight(Ag): 107.8682 Atomic number: 47 Group: 11 Period: Period 5 Block: d-block Element category: Transition metal Electron configuration: [Kr] 4d10 5s1 Electrons per shell: 2, 8, 18, 18, 1 Physical properties:- Phase at STP: solid Melting point: 1234.93 K ​(961.78 °C, ​1763.2 °F) Boiling point: 2435 K ​(2162 °C, ​3924 °F) Density (near r.t.): 10.49 g/cm3 when liquid (at m.p.): 9.320 g/cm3 Heat of fusion: 11.28 kJ/mol Heat of vaporisation: 254 kJ/mol Molar heat capacity: 25.350 J/(mol·K) Atomic properties:- Oxidation states: −2, −1, +1, +2, +3 (an amphoteric oxide) Electronegativity: Pauling scale -1.93 Ionisation energies: 1st - 731.0 kJ/mol 2nd - 2070 kJ/mol 3rd - 3361 kJ/mol Atomic radius: empirical - 144 pm Covalent radius: 145±5 pm Van der Waals radius: 172 pm Natural occurrence: primordial Crystal structure: ​face-centred cubic (fcc) Discovery: before 5000 BC A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and zinc refining.Silver has long been valued as a precious metal. Silver metal is used in many bullion coins, sometimes alongside gold while it is more abundant than gold, it is much less abundant as a native metal.[5] Its purity is typically measured on a per-mille basis; a 94%-pure alloy is described as "0.940 fine". As one of the seven metals of antiquity, silver has had an enduring role in most human cultures.#chemistry #periodic_table #chemicals #elements #molecule #atoms #chemistry_love #chemist #all_about_chemistry #chemistry_memes #chemistry_magic #chemistry_lovers #chemistry_vibes #IYPT2019 #chem #chemistry_lab #chemicalguys #chemistrynotes #chemistryexperiments #chemistryeducation #chemistryisfun #chemistrylife #chemistryday #chemistrystudents #chemistryislife #quimica #ilovechemistry #scientist #laboratory ...

Palladium is a chemical element.
Symbol: Pd
Appearance: silvery white
Standard atomic weight(Pd): 106.42
Atomic number: 46
Group: 10
Period: Period 5
Block: d-block
Element category: Transition metal
Electron configuration: [Kr] 4d10
Electrons per shell: 2, 8, 18, 18

Physical properties:- Phase at STP: solid
Melting point: 1828.05 K ​(1554.9 °C, ​2830.82 °F)
Boiling point: 3236 K ​(2963 °C, ​5365 °F)
Density (near r.t.): 12.023 g/cm3
when liquid (at m.p.): 10.38 g/cm3
Heat of fusion: 16.74 kJ/mol
Heat of vaporization: 358 kJ/mol
Molar heat capacity: 25.98 J/(mol·K)

Atomic properties:- Oxidation states: 0, +1, +2, +3, +4 (a mildly basic  oxide)
Electronegativity: Pauling scale - 2.20
Ionization energies: 1st - 804.4 kJ/mol
2nd - 1870 kJ/mol
3rd - 3177 kJ/mol
Atomic radius: empirical - 137 pm
Covalent radius: 139±6 pm
Van der Waals radius: 163 pm
Natural occurrence: primordial
Crystal structure: ​face-centered cubic (fcc)

Discovery and first isolation: William Hyde Wollaston (1802)

It is a rare and lustrous silvery-white metal.Palladium, platinum, rhodium, ruthenium, iridium  and osmium form a group of elements referred to as the platinum group metals (PGMs). These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them.Palladium is also used in electronics, dentistry, medicine, hydrogen purification, chemical applications, groundwater treatment, and jewelry. Palladium is a key component of fuel cells, which react hydrogen with oxygen to produce electricity, heat, and water.Ore deposits of palladium and other PGMs are rare.
#chemistry #periodic_table #chemicals #elements #molecule #atoms #chemistry_love #chemist #all_about_chemistry #chemistry_memes #chemistry_magic #chemistry_lovers #chemistry_vibes #IYPT2019 #chem #chemistry_lab #chemicalguys #chemistrynotes #chemistryexperiments #chemistryeducation #chemistryisfun #chemistrylife #chemistryday #chemistrystudents #chemistryislife #quimica #ilovechemistry #scientist #laboratory #lab.

Palladium is a chemical element. Symbol: Pd Appearance: silvery white Standard atomic weight(Pd): 106.42 Atomic number: 46 Group: 10 Period: Period 5 Block: d-block Element category: Transition metal Electron configuration: [Kr] 4d10 Electrons per shell: 2, 8, 18, 18 Physical properties:- Phase at STP: solid Melting point: 1828.05 K ​(1554.9 °C, ​2830.82 °F) Boiling point: 3236 K ​(2963 °C, ​5365 °F) Density (near r.t.): 12.023 g/cm3 when liquid (at m.p.): 10.38 g/cm3 Heat of fusion: 16.74 kJ/mol Heat of vaporization: 358 kJ/mol Molar heat capacity: 25.98 J/(mol·K) Atomic properties:- Oxidation states: 0, +1, +2, +3, +4 (a mildly basic oxide) Electronegativity: Pauling scale - 2.20 Ionization energies: 1st - 804.4 kJ/mol 2nd - 1870 kJ/mol 3rd - 3177 kJ/mol Atomic radius: empirical - 137 pm Covalent radius: 139±6 pm Van der Waals radius: 163 pm Natural occurrence: primordial Crystal structure: ​face-centered cubic (fcc) Discovery and first isolation: William Hyde Wollaston (1802) It is a rare and lustrous silvery-white metal.Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them.Palladium is also used in electronics, dentistry, medicine, hydrogen purification, chemical applications, groundwater treatment, and jewelry. Palladium is a key component of fuel cells, which react hydrogen with oxygen to produce electricity, heat, and water.Ore deposits of palladium and other PGMs are rare. #chemistry #periodic_table #chemicals #elements #molecule #atoms #chemistry_love #chemist #all_about_chemistry #chemistry_memes #chemistry_magic #chemistry_lovers #chemistry_vibes #IYPT2019 #chem #chemistry_lab #chemicalguys #chemistrynotes #chemistryexperiments #chemistryeducation #chemistryisfun #chemistrylife #chemistryday #chemistrystudents #chemistryislife #quimica #ilovechemistry #scientist #laboratory #lab ...

🧪INGREDIENT OF THE DAY🧪
Hyaluronic acid (HA) is a type of sugar that your body makes naturally: “It’s a sugar, a long-chain carbohydrate present in our body and our skin
Hyaluronic acid is also a humectant, which is a category of skin care ingredients that are hygroscopic, meaning they draw moisture from their surroundings. Humectants are often found in water-based moisturizers, serums, and other leave-on skin care products because of their ability to help boost hydration for all skin types, which is especially beneficial for dry, dehydrated skin.

#Skin
#Skincaretips
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#Blogger
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#Chemistrylife
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🧪INGREDIENT OF THE DAY🧪 Hyaluronic acid (HA) is a type of sugar that your body makes naturally: “It’s a sugar, a long-chain carbohydrate present in our body and our skin Hyaluronic acid is also a humectant, which is a category of skin care ingredients that are hygroscopic, meaning they draw moisture from their surroundings. Humectants are often found in water-based moisturizers, serums, and other leave-on skin care products because of their ability to help boost hydration for all skin types, which is especially beneficial for dry, dehydrated skin. #Skin #Skincaretips #Skins #Skinfood #Skinhealth #Beautytips #Beautycare #Beautyaddict #Ingredients #ingredient #Ingredientsmatter #Blogger #Blog #Bloggerstyle #Bloggerlife #Chemistry #Chemistrylife #Chemistryeducation ...

The colors of bismuth
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Credit:@thebismuthsmith
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December 07, 2019
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The colors of bismuth . . Credit:@thebismuthsmith Follow:@chemistry.shz for more posts . DoubleTap & Tag a Friend Below⤵ 💋 😍 💟 🙏 Plz Follow us - @Chemist._.MyPassion * Tag your love 😘 * ✅ Turn Post Notification on 📣 ✅ Follow, like and comment ✏ ✅ Tag your friends 👥 December 07, 2019 📷 @balsamicandrew #chemistrynotes #chemistrystudent #chemistrylife #chemistrycat ...

Heat transfer by convection🌡🔥
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Heat transfer by convection🌡🔥 . . .. 💘 Follow @Brittany.L.Pierce for more 😉 * Comment below if You like this 💕 * 😝Credit : @chemistry.shz * 💘 Tag your friends 👇 #chemists #chemistryteacher #chemisty #chemistryexperiments #chemistryday #chemistrylife #chemistrynotes #chemistry2 #organicchemistry #chemistryjokes #chemistry_lab ...