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On the Periodic Table, there are two numbers for every element: the atomic number and the atomic weight.
The numbers at the top of the square represents the number of protons present in the atom's nucleus of that element. This is called the atomic number. For example, the atomic number for the element Krypton is 36. That means that there are 36 protons in the nucleus. If there were not 36 protons in the nucleus of that atom, that would create the atom of a completely different element. For example, if one proton was to be removed from the nucleus of the atom for the element of Krypton that atom will be an atom of the element bromine.
The number at the bottom of the square represents the number of particles present in the atom's nucleus of that element. This is known as the atomic weight. For example, the atomic weight for the element Krypton is 83.80.
What else can I help you with?
Is the periodic table organized by atomic numbers?
The Periodic Table is.
What do the numbers on the side of the periodic table mean?
The question is vague, but they're probably the periods.
Where is the period number found on the periodic chart of the elemnts?
Usually at the top ... and classically written in Roman numerals.Yes, there are numbers at the top of a periodic table, although they are for the groups/families on the periodic table. Usually the period numbers are found to the left of the periodic table.
How is the periodic table arranged from left to right?
The periodic table is arranged from left to right in the order of atomic numbers.
What are the order of elements on the periodic table based on?
the elements in the modern periodic table are arrange in the increasing order of their atomic numbers.
What does CCI mean in the periodic table of elements?
Ci means chlorine in the periodic table
What does I mean on the periodic table?
Iodine
What mean on the periodic table?
Oxygen,
What does He in the periodic table mean?
Helium
What are some common questions about the periodic table?
Some common questions about the periodic table include: What is the periodic table? How is it organized? What do the numbers and letters on the table represent? Why are some elements grouped together? How many elements are there in total?
What does family mean in the periodic table?
a family of the periodic table is like a group of elements of the same type.
What does Mo mean in the periodic table?
Mo stands for Molybednium in the periodic table. It is placed in group-6.
