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Hf meaning in Urdu

Hf Synonyms


Hf Definitions

1 of 2) Hf, Atomic Number 72, Hafnium : 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.

2 of 2) Hf, High Frequency : اعلی تعدد : (noun) 3 to 30 megahertz.

Useful Words

Atomic Number 81 : ایک کمیاب دھاتی عنصر , Atomic Number 90 : تہوریم , Atomic Number : جوہری عدد , 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 , Atomic Number 27 : کوبالٹ , Electronics : الیکٹرونکس , Atomic Number 20 : چونا , Activation Energy : چلانے کی توانائی , Atomic Number 6 : کاربن , Heavy Metal : بھاری دھات , Lanthanide : کوئی ایک نادر خاکی دھات , Abundance : ایٹم کا تناسب , 0 : صفر , Atomic Number 24 : چمکیلا سخت معدنی عنصر , Atomic Number 88 : ایک تابکار مادہ , Atomic Number 16 : گندھک کا تیزاب , Ultrasound : بالا صوتی , Atomic Number 65 : دھات , Atomic Number 80 : پارہ , High : اعلی تعدد والا , Atomic Number 67 : ہلومیم کیمائی مادہ , Heterodyne : فریکوئنسی بنانا , Atomic Mass : جوہری وزن , Ionosphere : فضا کا روان دار انچا علاقہ , Ceramic : ظروف , Atomic Number 60 : کیمیا نیوڈیمیئم؛ ایک نادر سہ گرفتہ ارضی؛ دھاتی عنصر , Atomic Number 28 : نقلی چاندی

Useful Words Definitions

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.

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 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 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.

Atomic Number 27: a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition.

Electronics: the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices.

Atomic Number 20: a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth`s crust; an important component of most plants and animals.

Activation Energy: the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur.

Atomic Number 6: an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds.

Heavy Metal: a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead).

Lanthanide: any element of the lanthanide series (atomic numbers 57 through 71).

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.

Atomic Number 24: a hard brittle multivalent metallic element; resistant to corrosion and tarnishing.

Atomic Number 88: an intensely radioactive metallic element that occurs in minute amounts in uranium ores.

Atomic Number 16: an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions).

Ultrasound: very high frequency sound; used in ultrasonography.

Atomic Number 65: a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.

Atomic Number 80: a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures.

High: used of sounds and voices; high in pitch or frequency.

Atomic Number 67: a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds.

Heterodyne: combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two.

Atomic Mass: (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.

Ionosphere: the outer region of the Earth's atmosphere; contains a high concentration of free electrons.

Ceramic: an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures.

Atomic Number 60: a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium.

Atomic Number 28: a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite.

Related Words

Metal : دھات

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