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The numbers on Mendeleev's periodic table represent the atomic number of each element, which is the number of protons in the nucleus of an atom. This number determines the element's identity and its placement in the periodic table.
either mass or protons the top is the atomic number it shows how many protons the bottom number is the atomic mass also the weight
The big numbers are atomic numbers. They are equal to number of protons. Elements are arranged in order of increasing atomic number.
"Ai" is not a standard element symbol on the periodic table. It may be a typo or error. The periodic table typically uses two-letter symbols to represent elements, such as "Al" for aluminum or "Ag" for silver.
Whereas the vertical columns on the periodic table are called "groups", and represent the number of electrons in an element's outermost electron shell (eg. group 2 elements have twoelectrons in their farthest energy level), the horizontal rows, known as "periods", refer to the number of energy shells surrounding the nucleus of an element.
The period to which the element belongs
The numbers on Mendeleev's periodic table represent the atomic number of each element, which is the number of protons in the nucleus of an atom. This number determines the element's identity and its placement in the periodic table.
Zinc
either mass or protons the top is the atomic number it shows how many protons the bottom number is the atomic mass also the weight
The hole numbers on the top of each element represent the atomic number. This number indicates the number of protons in the nucleus of an atom of that element. It is a unique identifier for each element on the periodic table.
WHICH numbers? The most prominent one is probably the average atomic mass, but it might be the atomic number.
That is the Atomic Number. The atomic number of an element is equal to the number of protons in the nucleus of an atom of the element.
The codes on the periodic table that represent an element are called element symbols. These symbols are typically one or two letters that represent the element's name, often derived from the element's English or Latin name.
The atomic symbol on the Periodic Table of Elements
The big numbers are atomic numbers. They are equal to number of protons. Elements are arranged in order of increasing atomic number.
"Ai" is not a standard element symbol on the periodic table. It may be a typo or error. The periodic table typically uses two-letter symbols to represent elements, such as "Al" for aluminum or "Ag" for silver.
The letter "i" does not represent any specific element on the periodic table. The elements on the periodic table are typically represented by one or two letter abbreviations.