0
Mercury, all alkali metals (like Sodium) and alkaline-earth metals (like Calcium).
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the Melting point of white metal?
All tin/lead alloys are called white metals. Usually white metals have got low melting point. It is between 185Deg C to 275Deg C.
Does a liquid freeze or unfreeze at 32 degrees Fahrenheit?
Water does, and there are many that will have similar melting points. However all liquids have slightly different melting points, so it does depend.
Can you melt a coin?
Yes. You can melt almost all metals. You just need to find the melting point (which is the temperature at which the metal melts).
Why boiling points of gases are negative?
Negative values for the boiling points of gas are the result of using temperature scales, either Fahrenheit or Celsius, which do not begin at the true zero of temperature, which is the point of no heat. Only the Kelvin scale begins with the true zero, also known as absolute zero. Zero degrees Kelvin is equal to minus 273 degrees Celsius. If the boiling points of gas are given in Kelvins, then they are always positive. There are no negative degrees in the Kelvin scale. In the Celsius scale, zero is defined as the freezing point of water. Since the freezing point of water is hotter than the boiling point of most gases, you therefore get these negative numbers for the boiling point of gases, in Celsius.
What are the 3 main groups of metal?
54 of our chemical elements are classed as metals. All metals share certain properties such as being ductile (capable of being deformed or stretched), malleable (easily bent or shaped) and a conductor of heat and electricity. The metals are divided into different groups depending on their other properties. An element's properties are a result of how many electrons are in its outer energy level and position on the periodic table is based on this. This means each group of elements that share similar properties occupies a specific area on the periodic table. The metal groups are alkali metals, alkaline earth metals, transition metals and other metals. The alkali metals and the alkaline earth metals, groups one and two respectively on the periodic table, have similar properties. Due to their high reactivity they are not found in their pure forms naturally. The elements that make up the alkali metals are lithium, sodium, potassium, rubidium, caesium and francium. They all have only one electron in the outer energy level, meaning they behave similarly in the formation of compounds. Alkali metals react violently with water. For instance, if potassium is dropped in water it floats around while emitting a violet flame. Groups one metals are relatively soft, with low densities and melting points compared to other metals. The alkaline earth metals form group two of the periodic table, so each have two electrons in their outer shell. These are beryllium, magnesium, calcium, strontium, barium and radium. They have similar properties to the Alkali metals in group one. Group two metals, when compared to group one metals on the same period (row) of the periodic table, show some consistent differences. The group two metals are less reactive than those in group one. For instance calcium can react only with hot water, whereas potassium, its group one counterpart, reacts violently with any water. The group two metals have higher melting and boiling points and are harder, stronger and denser. The transition metals lie in the centre block of the periodic table, in groups 3 to 12. There are 38 transition metals, including elements such as iron, gold and zinc. Transition metals share some common characteristics. The majority are a silvery-blue colour at room temperature (copper and gold being the exceptions to this.) Many form coloured compounds, and many are good catalysts. They have high densities and melting points. The three magnetic elements iron, cobalt and nickel are all transition metals. The final group is the "other metals", or "poor metals" located in groups 13, 14 and 15. This includes aluminium, gallium, indium, tin, thallium, lead and bismuth. They are softer than transition metals, with lower melting and boiling points.
What is the melting and boiling point of metals?
Which metal needs to be specified. Look in a Chemistry book or reference book. All metals have their own melting and boiling points - that's one of the ways we identify which metal the item is made of.
Do all liquids have the same boiling and melting point?
No. The melting and boiling points of liquids vary considerably.
Do all metals have low boiling points?
First of all I would like to say that Metals usually have very high melting and boiling points. If you really find no mistake in this question then the answer is certainly NO. But if you feel now that the question is wrong and it would be "non metals" in place of "metals" then the answer would certainly be Yes.
Do have nonmetals have high melting points?
Yes non metals do have high melting and boiling points. This is because they have strong intemolecular forces that are hard to overcome.A2. Their melting points vary. Obviously gases such as nitrogen and oxygen have low melting points, but Silicon (1414oC) and Diamond ( around 1700oC) are rather high. Phosphorous and Sulfur on the other hand are rather low.
What element has the highest melting and boiling points of all element?
Water it can melt in the boiling point and in the boiling point the water (ice) practically turns into a liquid (water) then into a gas
Does metal have high boiling points?
It's not really sensible to answer this question because "metal" is a broad term. It's like asking are flowers red? Some are red, but not all. Generally metals have high melting and boiling points. Very few metals are liquid at or near room temperature, and some have very high boiling points. If you compare elemental metals with e.g. noble gases then clearly the metals have, in comparison, high boiling points. On the other hand some metals have lower boiling points than some ceramics.
All metals are hard and have high melting points?
No, the alkali metals are pretty soft and the metals cesium, gallium, and mercury have very low melting points.
Highest melting points of all metals?
Of all the metals, the one with the highest melting point is tungsten, with a melting point of 6,192 degrees Fahrenheit. Rhenium comes in second with a melting point of 5,767 degrees Fahrenheit.
Where can you find a chart showing in detail the melting points of all metals?
A very good periodic table. See the Web Links to the left of this answer for a periodic table with melting and boiling points, and other tables with the melting and boiling points of the elements. Go to this awesome site: HTTP://WWW.MATWEB.COM and find most any comercially-available material (all metals, plastics & ceramics). You can sort by property, which makes it easy to find the best material for your application.
Most metals are in what state at room temptaure?
Almost all metals have highly boiling and melting points. Hence they are solids at room temperature. Only Mercury is liquid at room temperature.
Which properties have all metal in them?
All metals have metallic bonds; also generally metals are more hard than nonmetals, with higher melting and boiling points, with better thermal and electrical conductivities etc.
Do most transition metals have higher or lower melting points than the representative elements?
Yes, transition metals have higher melting points. This is due to having very strong bonds. This means that a larger amount of energy is needed in order to break them down or bring them to the melting points.
