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  1. Hydrogen - 1
  2. Helium - 2
  3. Lithium - 3
  4. Beryllium - 4
  5. Boron - 5
  6. Carbon - 6
  7. Nitrogen - 7
  8. Oxygen - 8
  9. Fluorine - 9
  10. Neon - 10
  11. Sodium - 11
  12. Magnesium - 12
  13. Aluminum - 13
  14. Silicon - 14
  15. Phosphorus - 15
  16. Sulfur - 16
  17. Chlorine - 17
  18. Argon - 18
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Q: What are the first 18 elements atomic number?
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What are the elements found on table 18 of the periodic table?

Atomic number 18: argon (Ar)


What are the other elements that have the atomic number of 18 like argon?

There are no such elements: the atomic number is a unique property of each particular element and is not shared with any other element.


Does tungsten have a high or low atomic number?

Tungsten (W) has an atomic number of 74. This number is high compared to the whole Periodic Table. There are only 18 more natural elements with a higher number.


Which position in the periodic table contains the element with the highest atomic number?

In a given period, group 18 elements will have the highest atomic number.


Why is argon before potassium on the modern periodic table?

Argon, with an atomic number of 18, comes before potassium, which has an atomic number of 19, because elements on the periodic table are arranged in order of increasing atomic number. This ordering is based on the number of protons in the nucleus of each atom.


The modern periodic table of elements contains 18?

groups


Atomic number for argon?

Argon is a gas. atomic number of it is 18.


What is argons atomic number?

Argon's atomic number is 18, which means it has 18 protons in its nucleus.


Atomic number on argon?

The atomic number of argon is 18.


What is the atomic number and similar elements of xenon?

The atomic number of xenon is 54. Xenon belongs to Group 18 of the periodic table, also known as the noble gases. Similar elements to xenon include krypton and radon.


Why is atomic number better than atomic mass for organizing the elements in the periodic table?

Atomic number is better than atomic mass for organizing elements in the periodic table because it corresponds to the number of protons in an atom's nucleus, which determines its chemical properties. Atomic number also follows a consistent pattern across all elements, unlike atomic mass which can vary depending on isotopes. This makes atomic number a more reliable and fundamental property for organizing and categorizing the elements.


Do sulfur-36 and argon-36 have the same atomic number?

No, sulfur-36 and argon-36 do not have the same atomic number. Sulfur-36 has an atomic number of 16, while argon-36 has an atomic number of 18.