بريد الالكتروني

[email protected]

تميز الجودة علامتنا التجارية

آلات مختلفة لتلبية جميع الاحتياجات




Which element has the highest melting point 1 tantalum

02 01 2016  The answer is the highest melting point has 2 rhenium Melting point of rhenium symbol Re is 3180 C Melting point of tantalum symbol Ta is 3020 C Melting point of osmium symbol Os is 3030 C Melting point of hafnium symbol Hf is 2230 C Rhenium is a chemical element with atomic number 75

Materials Used for Heating Elements

24 02 2012  Melting point 1400 o C Specific gravity 8 4gm /cm 3 High resistance to oxidation Use of Nichrome Used in making heating elements for electric heaters and furnaces Note Nichrome is best suitable and ideal material for making heating element It is having comparatively high resistance

How to determine which compound has the highest/lowest

Melting Point Only solid substances exhibit melting points It is the process of providing heat to a solid substance and due to sufficient heat the molecules of the substance change their state

Metals Melting Temperatures Reference Chart

Melting Point C F Admiralty Brass 900 940 1650 1720 Aluminum 660 1220 Aluminum Bronze 600 655 1190 1215 Antimony 630 1170 Beryllium 1285 2345 Beryllium Copper 865 955 1587 1750 Bismuth 271 4 520 5 Brass 930 1710 Cadmium 321 610 Cast Iron Gray 1175 1290 2150 2360 Chromium 1860 3380 Cobalt 1495 2723 Copper 1084 1983

Which element has highest melting point

Which element has highest melting point Carbon Which has highest MP tungsten Which metal has highest melting tungsten Is Tungsten poisonous Tungsten has been the subject of numerous in vivo experimental and in vitro studies in view of determining its metabolic and toxicity profile

What element has the highest boiling point

13 08 2012  The very rare 1 ppb in earth crust element Rhenium Re has highest boiling point 5869 K of any element and the third highest melting point 3459 K The more common rare earth element

Facts About Tungsten

18 11 2016  It is very resistant to corrosion and has the highest melting point and highest tensile strength of any element Its strength comes when it is made into compounds though Pure tungsten is

List of Elements by Melting Point

List of elements by melting point in both Celsius and Kelvin values To list the elements order by melting point and other properties click on the table headers You can print the list of elements by hitting the print button below Atomic Number Symbol Element Name Melting Point K Melting Point ℃ 1 H Hydrogen 14 01

Elements with the Highest Melting Points

09 05 2014  Elements with the Highest Melting Points Melting point not confirmed due to element s short half life Quiz by burntfrost Profile Quizzes Subscribed Subscribe Rate Nominate Nominated Spotlight Last updated May 9 2014 More quiz info >> First submitted May 9 2014

Group 13 Elements Boron Family Density Melting Point

19 08 2021  Melting and Boiling Points The melting points of group 13 elements do not follow a regular pattern as elements from groups 1 and 2 do This is most likely due to the peculiar crystal structures of B and Ga Actually as one moves down the group from B to Ga the melting points decrease sharply and then increase from Ga to Tl

Trends in Group 17 Elements Chemistry Tutorial

Melting point of iodine is 114 C melting point of astatine will be higher than this The difference in melting point between each successive group 17 element is about 110 C We could estimate the melting point of astatine to about 110 melting point of iodine = 110 114 = 224 C

Chromium group elements have highest melting points in

Chromium has a highest melting oint because of the half filled stability it has configuration 4s1 3d5Due to the half filled d orbital due to presence of unpaired electron they form strong intermetallic bonds formed by valence electrons and covalent bonds formed due to d d overlapping of impaired d electrons hence result in high melting point

What metal element has the highest melting point

09 06 2012  The metal with the highest melting point is Tungsten W at 3410 degrees Celsius 6170 degrees Fahrenheit However technically Carbon has a higher melting point

Which natural element has the highest melting point

Which natural element has the highest melting point A Iron B Tungsten C Copper D Silver Submitted by ABDUL HAYEE Of all metals in pure form tungsten has the highest melting point 3422 C 6192 F lowest vapor pressure at temperatures above 1650 C 3000 F and the highest tensile strength Mcq Added by H yii

New Super Material May Have World s Highest Melting Point

31 07 2015  By taking a page from the current record holder of the highest experimentally recorded melting point a mixture of the three elements hafnium tantalum and carbon the team figured that they

Periodic Table Trends

Melting Point Trends The melting point of an element is basically the energy required to change the state of an element from its solid state to its liquid state Which essentially implies breaking a few bonds Thus higher the stronger the bond between the atoms higher will be the melting point Let us look at the elements in the ascending

Melting and boiling points down group 2

Melting point There is a general decrease in melting point going down group 2 However if you include magnesium you will see that its melting point is lower than the melting point of calcium the next element down If you include magnesium there is no obvious trend in melting points see below Boiling points

Transition Metals on Periodic Table

Melting and boiling points of the transition element These elements show high melting and boiling points This is due to the overlapping of n 1 d orbitals and covalent bonding of the electrons which are not paired d orbital electrons

The Substances With the Highest Melting Point

Tantalum carbide has the highest melting point 3983 degrees C if it is a binary compound but hafnium carbide is also one of the alloys with the highest melting point 3928 degrees C Ta Hf carbon alloys are the substances with the highest melting point is known compounds

Precious Metals

13 01 2021  5 Iridium It s the most extreme member of the platinum group This whitish metal has a super high melting point is one of the densest elements around and stands as the most corrosion resistant metal Iridium is processed from platinum ore and as a by product of nickel mining Largest producers South Africa

which of the following molecules has high melting point

22 04 2021  heart 2 cassy07 This list contains the 118 elements of chemistry For chemistry students and teachers The tabular chart on the right is arranged by melting point The chemical element with the lowest melting point is Helium and the element with the highest melting point is Carbon eddibear3a and 3 more users found this answer helpful

Is it possible for a metallic element with a high melting

What element has the highest melting point of any metal Of all metals in pure form tungsten has the highest melting point 3422 C 6192 F lowest vapor pressure at temperatures above 1650 C 3000 F and the highest tensile strength

Which element has the highest melting point

22 03 2019  About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators

Why do the melting points of Group 15 elements increase

27 11 2015  The boiling points of group 15 elements increase on going down the group or as size increases but the same is not true for the melting points The melting points increase from ce N to

How do you tell which molecule has a higher melting point

11 10 2017  Common salt has a high melting point but is much lower than alumina Some ionic salts with large floppy ions are liquid at room temperature The forces holding the solid together determine the melting point but you need to know the structure before you you know what the key forces are

Tungsten

Tungsten has the highest melting point of all metals and is alloyed with other metals to strengthen them Tungsten and its alloys are used in many high temperature applications such as arc welding electrodes and heating elements in high temperature furnaces

Scientists find highest melting point ever

29 07 2015  Scientists find highest melting point ever Using computer simulations Brown University researchers identified the material with the highest known melting point

Element highest Melting Point

Atomic Number Symbol Element Name Melting Point K Melting Point ℃ 1 H Hydrogen 14 0 The chemical element with the highest melting point is tungsten at 3 414 C 6 177 F 3 687 K this property makes tungsten excellent for use as electrical filaments in incandescent lamps

CALCULLA

The melting point is the highest temperature at which crystallization may occur It is also a temperature at which a solid crystal turns into a liquid We say that such a body melts The melting point is specific for a given substance For example the melting point of ice frozen water is 0 C

Do Group 7 elements have high melting points

30 03 2020  Elements in group seven have a number of similar properties most importantly they have low melting and boiling points This is of course a typical property of non metals From the lowest boiling and melting point to the highest the group in order

Elements

high melting point dense metal rocket engines heater coils laboratory filaments electric contacts thermocouples catalyst 76 Os Osmium non corroding high melting point hard metal densest element

Cobalt

It is one of only 3 ferromagnetic transition elements along with iron and nickel As a metal it is very mechanically hard and tough and it has a very high melting point hence the smelting problems and also remains magnetic to the highest temperature of all the magnetic elements

What substance/element/thing has the highest melting point

What substance/element/thing has the highest melting point and how did we manage to find out what it was Chemistry Wouldn t it melt anything touching it first Would it be done using magnets to keep it from touching something else if magnetic or possibly in

Which 3d

The d block elements with more number of unpaired e − will have high melting point as more number of unpaired e −s present stronger will be the metallic bond formation Hence requirement of heat to loosen the bond will be high So Cr contains more number of unpaired e −s hence has high melting point

Which properties are characteristic of metalloids melting

17 06 2021  Elements that are metalloids have some properties of metals and some properties of non metals For example some metalloids can have a high melting point like a metal yet have a low density like a non metal The metalloids are Boron Silicon Germanium Polonium Tellurium Astatine Arsenic and Antimony

Why do the melting points of Group 15 elements increase

27 11 2015  The boiling points of group 15 elements increase on going down the group or as size increases but the same is not true for the melting points The melting points increase from ce N to