Atomic Number 72 meaning in Urdu
Atomic Number 72 Synonyms
Atomic Number 72 Definitions
1) Atomic Number 72, Hafnium, Hf : ہافنیم کیمیاء : (noun) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
Useful Words
Atomic Number : جوہری عدد , Atomic Number 81 : ایک کمیاب دھاتی عنصر , Activation Energy : چلانے کی توانائی , Abundance : ایٹم کا تناسب , 0 : صفر , Lanthanide : کوئی ایک نادر خاکی دھات , Atomic Number 90 : تہوریم , Atomic Mass : جوہری وزن , 99 : نینانوے , 73 : تہتر , 44 : چوالیس , Atomic Number 14 : ایک دھاتی عنصر , Atomic Number 29 : پیتل , Atomic Number 78 : ایک بھاری دھاتی عنصر , George Charles Hevesy De Hevesy : ہنگری کا کیمیادان , Atomic Number 76 : بہت سخت پلاٹینم کا گروہ , 55 : پچپن , 500 : پانچ سو , 170 : ایک سو ستر , Batting Average : بیٹنگ اوسط , 89 : نواسی , 93 : ترانوے , 80 : اسی , 135 : ایک سو پینتیس , 150 : ایک سو پچاس , 70 : ستر , 66 : چھیاسٹھ , 96 : چھیانوے , 61 : اکسٹھ , 400 : چار سو , 149 : ایک سو اننچاس
Useful Words Definitions
Atomic Number: the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element.
Atomic Number 81: a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores.
Activation Energy: the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur.
Abundance: (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present.
0: a mathematical element that when added to another number yields the same number.
Lanthanide: any element of the lanthanide series (atomic numbers 57 through 71).
Atomic Number 90: a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.
Atomic Mass: (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.
99: The number 99 is a natural number that comes after 98 and before 100. It is composed of two nines, making it a double-digit number.
73: 73 is a natural number following 72 and preceding 74. It is an odd number and is also a prime number, meaning it is only divisible by 1 and itself.
44: The number 44 is a natural number that comes after 43 and before 45. It is composed of two fours, making it a two-digit number.
Atomic Number 14: a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors.
Atomic Number 29: a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor.
Atomic Number 78: a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits.
George Charles Hevesy De Hevesy: Hungarian chemist who studied radioisotopes and was one of the discoverers of the element hafnium (1885-1966).
Atomic Number 76: a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known.
55: a natural number following 54 and preceding 56. It is an odd number and can be expressed as the sum of two consecutive triangular numbers: 10 and 45.
500: 500 is a natural number following 499 and preceding 501. It is an even number and can be expressed as the product of 2 and 5 raised to the power of 3, i.e., 2 x (5^3) = 500.
170: 170 is a natural number following 169 and preceding 171. It is an even number and can be expressed as the product of two prime numbers: 2 and 5 raised to the power of 2, multiplied by 17.
Batting Average: (baseball) a measure of a batter`s performance; the number of base hits divided by the number of official times at bat.
89: 89 is a natural number following 88 and preceding 90. It is a prime number, meaning it is only divisible by 1 and itself.
93: being three more than ninety, 93 is a natural number following 92 and preceding 94. It is an odd number and can be divided evenly by 1, 3, 31, and 93.
80: 80 is a natural number following 79 and preceding 81. It is an even number and can be divided evenly by 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80.
135: 135 is a natural number following 134 and preceding 136. It is an odd number and can be divided evenly by 1, 3, 5, 9, 15, 27, 45, and 135.
150: The number 150 is a three-digit natural number that comes after 149 and before 151. It is composed of the digits 1, 5, and 0.
70: 70 is a natural number following 69 and preceding 71. It is an even number and can be divided evenly by 1, 2, 5, 7, 10, 14, 35, and 70.
66: 66 is a natural number following 65 and preceding 67. It is an even number and can be divided evenly by 1, 2, 3, 6, 11, 22, 33, and 66.
96: 96 is a natural number following 95 and preceding 97. It is an even number and can be divided evenly by 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, and 96.
61: 61 is a natural number following 60 and preceding 62. It is a prime number, divisible only by 1 and 61.
400: 400 is a natural number following 399 and preceding 401. It is an even number and can be divided evenly by 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400.
149: The number 149 is a three-digit natural number that comes after 148 and before 150. It is composed of the digits 1, 4, and 9.