Questions tagged [metal]

For questions about metals in general and their physical or chemical properties. For characteristic properties and reactions of d and f block metals specifically, use the [transition-metals] and [rare-earth-elements] tags respectively instead.

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Galvanic corrosion between nickel brass nut and stainless bolt

I am planning to install something on a boat that will be in salt water, and my question is, will the nickel plated brass fastener not corrode if I connect it to stainless steel? I looked it up on ...
8
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2answers
2k views

Why does Chloride attack CrO?

In certain applications some sorts of stainless steel (V2A, 1.4301) corrode when exposed to $\small{\ce{Cl^-}}$ in water, or at least it is strongly advised to use ...
5
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1answer
481 views

Mercury, amalgams and mercury compounds [closed]

Mercury is toxic. It forms amalgams and inorganic mercury compounds/salts are available. My question is on toxicity. I am interested in its toxicity, not the mode of action (as it will be part of ...
52
votes
2answers
54k views

What makes some metals melt at higher temperature?

I'm looking at the melting temperature of metallic elements, and notice that the metals with high melting temperature are all grouped in some lower-left corner of the $\mathrm{d}$-block. If I take for ...
8
votes
2answers
230 views

How to differentiate a metal from its ion? [closed]

I am working on metal and its ion. The problem is, I would like to know whether the metal has been converted to its ionic form or not. The hypothesis for the analysis is that metals are good ...

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