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Transition metals have a high melting point due to the contribution of the 4s and 3d electrons to form the mobile charge cloud leading to a very strong metallic bonding which requires more energy to break thus high melting point. Due to the very close packing structure of transition metals where each atom has 12 nearest neigbours; small atomic size and hence high mass per unit volume and a high density.

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15y ago
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14y ago

Transition metals are hard because electrons can come from more shells then their outer shell. this means they have far more electrons available for bonding and so very strong metallic bonds are formed.

A substance is a solid if the atoms are held together, basically strong metallic bonds mean atoms are packed & held tightly to one another. i keep wanting to type metallica insted of metallc :P

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12y ago

Because the atoms are tightly packed and they just kind of vibrate to move.

Liquids are more spread out, gases are really more spread out.

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8y ago

Transition metals are hard. Iron, copper, silver and gold are important transition metals. Most of them can also conduct electricity.

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14y ago

They form colored solutions

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Q: Why are transition metals hard and solid?
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Nickel is a metallic solid in the group of transition metals.


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