0
What are the highest and lowest reactive elements on the periodic table?
Wiki User
∙ 12y ago
As you move left on the Periodic Table, the elements get more reactive and as you move down the periodic table. Using that thinking the most reactive elements are the Alkali Earth Metals (column 1) and the most reactive element is Francium. The least reactive are the noble gases in the last column- Helium, Neon, Argon etc..
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How does the number of valence electrons in an atom relate to the elements placement on the periodic table?
When elements are on the same period they are most likely to have similar characteristics. Being that the periodic table is arranged from left to right, it is also arranged from lowest amount to highest. All the highest elements are together and all the lowest are together.
What is the most reactive of all the chemical elements?
The most reactive chemical element is fluorine. Reactivity of the elements increases as we go down and to the left on the periodic table, and it also increases as we go up and to the right on the table.
What is the least reactive group in the periodic table?
Noble gasses (group 8) are the least reactive elements in the periodic table because they have a full valence shell.The right-most column, Group 8*, or the noble gases, is the least reactive elements in the periodic table.* In newer version of periodic table by IUPAC, its the group 18; whereas it was the 8th A group that noble gases occupied in older version.
Where are the lowest and highest atomic numbers found in the periodic table?
The lowest is 1 (Hydrogen) and the largest is 116 (Livermorium)
Where are the lowest and highest atomic masses found in the periodic table?
The element with the lowest average atomic mass is hydrogen (H) at 1.008 grams. The element with the highest is meitnerium (Mt) at 266 grams.
What are the most reactive elements?
That would be the element with the highest atomic number but the lowest number of valence electrons.
How does the number of valence electrons in an atom relate to the elements placement on the periodic table?
When elements are on the same period they are most likely to have similar characteristics. Being that the periodic table is arranged from left to right, it is also arranged from lowest amount to highest. All the highest elements are together and all the lowest are together.
What is the most reactive of all the chemical elements?
The most reactive chemical element is fluorine. Reactivity of the elements increases as we go down and to the left on the periodic table, and it also increases as we go up and to the right on the table.
What is the least reactive group in the periodic table?
Noble gasses (group 8) are the least reactive elements in the periodic table because they have a full valence shell.The right-most column, Group 8*, or the noble gases, is the least reactive elements in the periodic table.* In newer version of periodic table by IUPAC, its the group 18; whereas it was the 8th A group that noble gases occupied in older version.
How are tables arranged?
the periodic tables are arranged by their Atomic Mass, from lowest (helium) to highest (not sure) all elements in the same column have the same number of valence electrons
How are Periodicals arranged?
the periodic tables are arranged by their Atomic Mass, from lowest (helium) to highest (not sure) all elements in the same column have the same number of valence electrons
Where are the lowest and highest atomic numbers found in the periodic table?
The lowest is 1 (Hydrogen) and the largest is 116 (Livermorium)
What is the most active metal on the periodic?
Francium is the most reactive metal. Reactivity increases and you go down a family and decreases as you go across a period on the Periodic Table. Francium is the farthest left and the lowest so it is the most reactive.
Which elements on the periodic table have the lowest electronegativity?
Atoms to the left on the periodic table Atoms with a large atomic radius
What elements have the highest and lowest ionization energy?
Helium has the highest first ionization energy and francium has the lowest first ionization energy.
Which element is the most reacitve?
It turns out that fluorine is the most reactive element. It is at the top of the Group 17 elements, the halogens. And they are, as a group, the most reactive group on the periodic chart.
Is the periodic table arranged?
The Periodic Table of elements has gone through several arrangments, but the current (and correct) arrangement goes from lowest to highest atomic number (number of protons). i.e. Hydrogen has 1 proton, Helium has 2 protons, etc.
