Element Table Puzzle: Is the Universe at Play?

  • Thread starter Thread starter revv
  • Start date Start date
  • Tags Tags
    Element Table
Click For Summary

Discussion Overview

The discussion revolves around the nature of elements in the periodic table, focusing on the relationship between protons, electrons, and the resulting chemical properties of elements. Participants explore the concept of elements as a sequence or pattern and question the underlying reasons for this organization.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants propose that the arrangement of elements by the number of protons resembles a puzzle created by the universe.
  • Others argue that elements differ by the number of protons and neutrons, suggesting they are more like building blocks than puzzle pieces.
  • It is noted that the number of protons determines the number of electrons, which are arranged in a way that influences the chemical properties of elements, particularly through valence electrons.
  • One participant questions why it is puzzling that elements can be ordered in a recognizable sequence, suggesting it would be more puzzling if they had random properties.
  • Another participant highlights that for an atom to be classified as hydrogen, it must have one proton, implying that changing the number of protons alters the element's identity.
  • There is a clarification that while the number of protons determines the element, neutrons can vary to create isotopes, which do not change the chemical properties but can affect nuclear reactions.
  • It is mentioned that the organization of electrons into shells contributes to the patterns observed in the periodic table.

Areas of Agreement / Disagreement

Participants express varying degrees of understanding and curiosity about the periodic table and the nature of elements. There is no consensus on the implications of the patterns observed, and some participants remain puzzled about the foundational concepts.

Contextual Notes

Some discussions reflect uncertainty regarding the implications of the number of protons and electrons, as well as the role of isotopes in chemical behavior. The conversation also highlights a lack of consensus on the significance of the patterns in the periodic table.

revv
Messages
55
Reaction score
9
Well firstly let me say that I am no expert but it seems like the number of protons that determine the different elements is like a puzzle made by the universe? I mean they are all in sequence... am I missing something?
 
Chemistry news on Phys.org
In a way, yes. Elements differ by the number of protons and neutrons. More as building bocks than as puzzle pieces since Mendeleev discovered the pattern.

Why do you think you are misssing something ?
 
The number of protons determines the number of electrons. As there are rules how to arrange those electrons, some elements will have their last few electrons arranged in a similar fashion, with a certain periodicity. As these last few electrons, known as valence electrons, determine the chemistry of an element, there is some recurrence in the chemical properties, which is therefore related to the number of protons. This is the essence of the periodic table of the elements.
 
Why are you puzzled that elements can be ordered as a recognisable sequence?, that there is a pattern?
Would it not be more puzzling if the various elements had seemingly random properties bearing no relationship at all to other elements?
 
rootone said:
Why are you puzzled that elements can be ordered as a recognisable sequence?, that there is a pattern?
Would it not be more puzzling if the various elements had seemingly random properties bearing no relationship at all to other elements?

Yes mostly that there is a pattern.

And your statement is also interesting.

Like I said I don't have much knowledge in chemistry or science and might be missing something but it seems peculiar that for it to be considered an hydrogen atom there HAS to be 1 proton and not 2 or that would make it a helium atom right?
 
Yes, the number of protons, ( which is equal to the number of electrons) determine which element it is.
Neutrons which can be present in different quantities determine which isotope of that element.
Isotopes don't change the chemical properties of an atom, but some isotopes are involved with nuclear reactions.
If you had a block of lead, it would likely contain many different lead isotopes, but chemically they all react the same way.

The chemical reactions which can occur for a particular element are a result not of the number of protons in the nucleus,
but of interaction between electrons, (which is the same number as protons).
The electrons outside of the nucleus are organised into different shells (energy levels) and it is from this that the pattern seen in the periodic table emerges.
https://en.wikipedia.org/wiki/Electron_shell
 

Similar threads

Radioactivity and the Periodic Table
  • · Replies 24 ·
Replies
24
Views
4K
Oddly specific number of elements
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad The Heavier Elements: A Question About Their Abundance
  • · Replies 28 ·
Replies
28
Views
4K
Please Help with bonding frequencies
  • · Replies 6 ·
Replies
6
Views
5K
How to memorize the periodic table?
  • · Replies 3 ·
Replies
3
Views
9K
Chemists finally know why palladium beats nickel at C–H activation
  • · Replies 1 ·
Replies
1
Views
1K
Why wasn't fluorine used as a standard for atomic mass?
  • · Replies 6 ·
Replies
6
Views
3K
High School Is a table levitating possible, even at a minuscule probability?
  • · Replies 32 ·
2
Replies
32
Views
2K
High School General question about series limits and strong lines of the emissions spectrum
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Understanding permutations and combinations in a coin toss experiment
  • · Replies 6 ·
Replies
6
Views
2K