Tantalum Ta (Element 73) of Periodic Table
73 Ta (Tantalum) Pure tantalum is soft, shiny, silvery metal, and impure metal is gray, heavy, and very […]
Tantalum Ta (Element 73) of Periodic Table Read More »
PERIODIC TABLEÂ
Alkali Metals – The alkali metals are so reactive that they are generally found in nature combined with other elements. All of the alkali metals share similar characteristics and properties, such as their color, softness, and melting points.
Alkaline Earth Metals – Alkaline earth metals in their pure forms are generally shiny and silvery and are very reactive. They rarely occur in their pure form.
Transition metal – Transition metals are lustrous and malleable, silvery, hard, and good conductors of heat and electricity.
Post-Transition metal (Base Metal) – Post- transition metals are soft (or brittle), have poor mechanical strength, and have melting points lower than those of the transition metals. Being close to the metal-nonmetal border.
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Metalloid – Metalloids have a metallic appearance, but they are too brittle and only fair conductor of electricity. They behave mostly as nonmetals. They and their compound Used in alloys, catalysts, glasses, flame retardants, biological agents, Pyrotechnics, Optical storage and optoelectronics semiconductor, and electronics.
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Polyatomic Nonmetal – Polyatomic nonmetals shows more metallic character. They are solid, brittle and low conductivity , mostly semi-lustrous Semiconductors with electronegativity values.
Diatomic Nonmetal (Halogen) – They are generally highly Insulating, Highly electronegative, non-reflective gases, Semi-lustrous, and a semiconductor. All of the elements in this elite group are gases.
Noble gas – Noble gases are typically highly unreactive, It makes them very suitable in applications where reactions are not wanted.
Lanthanide – Elements found in the earth’s crust are called rare earth metals and Scientists referring to a lanthanide as a rare earth metal. They are used to make Strong magnets, Safety glasses etc..
Actinide – Some actinides are found in nature while others are man-made, They are all Radioactive.
Group 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
Period
1 |
1 | 2 | ||||||||||||||||
2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||||||||||
3 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||||||||||
4 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 |
5 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 |
6 | 55 | 56 | 57-71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 |
7 | 87 | 88 | 89-103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 |
Lanthanide —-> | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | |||
Actinide —-> | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | |||
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73 Ta (Tantalum) Pure tantalum is soft, shiny, silvery metal, and impure metal is gray, heavy, and very […]
Tantalum Ta (Element 73) of Periodic Table Read More »
74 W (Tungsten) Impure metal is brittle and worked only with difficulty, and Pure tungsten is a lustrous,
Tungsten W (Element 74) of Periodic Table Read More »
75 Re (Rhenium) It is a silvery white metal with a metallic luster, it is rarely seen as
Rhenium Re (Element 75) of Periodic Table Read More »
76 Os (Osmium) Osmium metal is a bluish white, lustrous, extremely hard, and brittle even at high temperatures.
Osmium Os (Element 76) of Periodic Table Read More »
77 Ir (Iridium) Iridium is a hard, brittle, lustrous, dense, silvery-white with a slight yellowish cast metal of
Iridium Ir (Element 77) of Periodic Table Read More »
78 Pt (Platinum) Pure Platinum is a malleable, ductile, lustrous, silvery-white metal. It has the 3rd highest density,
Platinum Pt (Element 78) of Periodic Table Read More »
79 Au (Gold) Of all the elements, Apparence of pure gold  (24 carat) is the most beautiful. It
Gold Au (Element 79) of Periodic Table Read More »
80 Hg (Mercury) It is a heavy, silvery-white metal, and sometimes called it quicksilver. Mercury is the only
Mercury Hg (Element 80) of Periodic Table Read More »
81 Tl (Thallium) Appearance:Â Silvery white Mass number:Â 204 Standard Atomic weight:Â 204.38 g/mol Atomic number (Z):Â 81
Thallium Tl (Element 81) of Periodic Table Read More »
82 Pb (Lead) Appearance:Â Metallic gray Standard Atomic weight: Â 207.2 g/mol Mass number:Â 207 Atomic number (Z):Â 82
Lead Pb (Element 82) of Periodic Table Read More »
83 Bi (Bismuth) Appearance:Â lustrous brownish silver Mass number:Â 209 Standard atomic weight:Â 208.9804 g/mol Atomic number (Z):Â
Bismuth Bi (Element 83) of Periodic Table Read More »
84 Po (Polonium) Appearance: Silvery Allotropes: α-Po, β-Po Mass number: 209 Atomic weight: 208.9824 g/mol Atomic number (Z):Â
Polonium Po (Element 84) of Periodic Table Read More »