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Answered 2007-12-02 14:54:07

As you go down a column in the Periodic Table, the atomic radius increases, and melting point decreases for the alkali metals.

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What is the pattern in melting points in alkali metals?

They get lower as the atomic number increases


Melting points of alkali metals?

Alkali metals have relatively low melting points compared to the other metals. Their exact melting points depend on the element itself. But it would be useful to note that their melting points decreases down group I.


Explain why there is this pattern in melting points for francium?

The melting point of francium is not measured, only supposed by comparison with the melting points of the other alkali metals.


Why is there a pattern in melting points with alkali metals?

because there is a higher number of atoms in the alkali metals meaning the ones lower in the periodic table are more prone to melting easily


What is the Melting points of the alkali metals?

sodium


What are very soft shiny metals with low melting points?

Alkali Metals


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.


Are denser harder have higher melting points and are slightly less active than alkali metals in the same period?

Alkali metals are very chemically reactive, are not dense or hard metals and have low melting points.


Why alkali metals have low melting and boiling points?

All alkali metals are found to be very soft and they have low melting and boiling points. Alkali metals have low binding energy in the metal crystal lattice as these atoms have only one valence electron. This results in the formation of metallic bonds which are not very strong. Also, alkali metals melting and boiling points decrease down the group.


Do group one metals have a high melting point?

No. Group 1 metals (commonly called the alkali metals) have low melting points.


Metal which has low melting point?

Mercury, it is already molten at room temperature. Alkali metals also have relatively low melting points compared to most metals, e.g. melting point of potassium is 64 degree Celsius. The melting points of alkali metals decreases down Group I.


2 properties of alkali metals?

1. Alkali metals are soft and highly reactive. 2. They have low melting points and densities.


What are Melting and boiling points of alkali metals?

http://en.wikipedia.org/wiki/Alkali_metal


What are some fun facts about Alkali metals?

The Alkali Metals are: -lithium -sodium -potassium -rubidium -cesium -francium These metals are silvery solids with low densities and melting points.


How are the alkali metals different from the alkali-earth metals in the periodic table?

The alkali metals have a valence of 1 while the alkaline earth metals have a valence of 2. The alkali metals are generally lighter, softer, more reactive, and have lower melting points than the alkaline earth metals.


Why do melting points of group 1 become lower?

The metallic bonds of the alkali metals are are weak.


Which all metals have low melting and boiling points?

Mercury, all alkali metals (like Sodium) and alkaline-earth metals (like Calcium).


Three characteristics of alkali metals?

shiny, soft metals with low melting points, react rapidly with water, and are not found in nature


What are silvery solids with low densities and low melting points?

Silvery solids with low densities and low melting points are alkali metals. These are located in group one on the periodic table.


What makes up alkali metals special?

Alkali metals are very reactive, not dense or hard metals, monovalent, with low electronegativities, with low melting and boiling points, react violently with water, form strong bases, etc.


Are the melting points of metals as extreme as their boiling points?

Yes, melting points of metals are higher than the melting points of many other elements or compounds.


Do all metals have high melting points?

yes all metals have high melting points :)


What is the relationship between melting points and boiling points of alkali metals?

The relationship of the alkali metals is simple, as the atomic radius increases the inter molecular forces become weaker as there is less gravitational force acting on the electrons as they are further away from the nucleus (source of gravity), making it easier for them to react/come loose. This is why the melting and boiling points decrease.


Do transition metals have high or low melting points?

Transition Metals are considered to have high melting points.


Do metals have high or low melting points?

high melting points