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## #1 2014-02-24 23:58:12

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 20,316
Website

### Non-periodic Property

Is there a property of an element that is not periodic? If any?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'You have made another human being happy. There is no greater accomplishment.' -bobbym

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## #2 2014-02-25 00:16:44

bob bundy
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Registered: 2010-06-20
Posts: 6,878

### Re: Non-periodic Property

Are you asking "Is there a property of an element that does not arise from its position in the periodic table?"

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #3 2014-02-25 00:47:59

Agnishom
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From: Riemann Sphere
Registered: 2011-01-29
Posts: 20,316
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### Re: Non-periodic Property

Yep, that guy told me that the 'physical state' is one such property.

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'You have made another human being happy. There is no greater accomplishment.' -bobbym

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## #4 2014-02-25 01:12:18

bob bundy
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Registered: 2010-06-20
Posts: 6,878

### Re: Non-periodic Property

OK. I'll give it some thought.  I haven't thought of anything yet.

If by 'physical state' he meant whether it is solid, liquid, gas, and plasma, then I disagree.  These are not properties of the element since an element can have  its state changed but still be the same element.

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #5 2014-02-25 01:34:56

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,878

### Re: Non-periodic Property

Got a couple.

Isotopes are not shown in the periodic table.  An element may give off 'particles' eg. be radioactive.  You cannot tell by looking at the table.

Carbon may exist in many forms: diamond, graphite etc.  So for example how hard it is, is a property that is not governed by its position in the table, but rather by how the atoms are bonded to each other.

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #6 2014-02-25 02:01:59

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 20,316
Website

### Re: Non-periodic Property

Can you really call the allotropies of carbon a property of an element

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'You have made another human being happy. There is no greater accomplishment.' -bobbym

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## #7 2014-02-25 02:05:49

John E. Franklin
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Registered: 2005-08-29
Posts: 3,588

### Re: Non-periodic Property

Charles Janet thought Helium should be above Beryllium!
but he was a biologist.

igloo myrtilles fourmis

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## #8 2014-02-25 02:11:55

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 93,923

### Re: Non-periodic Property

The color ( flame test ) of an element is a property. It can not be determined by the periodic chart.

The spectral lines of an element can not be determined by its position in the periodic chart.

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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## #9 2014-02-25 04:36:51

bob bundy
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Registered: 2010-06-20
Posts: 6,878

### Re: Non-periodic Property

hi

Agnishom wrote:

Can you really call the allotropies of carbon a property of an element

Dictionary.com wrote:

al·lot·ro·py
noun Chemistry .
a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.

bobbym wrote:

The spectral lines of an element can not be determined by its position in the periodic chart.

You may be right, but as these lines depend on electron jumps, there may be a link.  Maybe it's just that no one has found it yet.

That could be your PhD thesis, Agnishom.

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #10 2014-02-27 01:57:51

Agnishom
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From: Riemann Sphere
Registered: 2011-01-29
Posts: 20,316
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### Re: Non-periodic Property

That could be your PhD thesis, Agnishom.

Thank you for the idea. But what if there isn't a link?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'You have made another human being happy. There is no greater accomplishment.' -bobbym

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## #11 2014-02-27 04:33:37

bob bundy
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Registered: 2010-06-20
Posts: 6,878

### Re: Non-periodic Property

Then you investigate what does cause it.

B

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #12 2014-02-27 13:29:11

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 20,316
Website

### Re: Non-periodic Property

Or in that case, I'll show how it isn't linked

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'You have made another human being happy. There is no greater accomplishment.' -bobbym

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