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The atomic number of an element determines its identity. Each element has a unique atomic number, which is the number of protons in the nucleus of its atoms. This number defines the element and distinguishes it from other elements on the periodic table.
An element's atomic number tells us the number of protons in an atom of that element. It is used to uniquely identify the element and determine its placement on the periodic table. The atomic number also corresponds to the number of electrons in a neutral atom of that element.
The atomic number is the number of protons in the nuclei of the atoms of a particular element. The elements are arranged in increasing order of atomic number on the periodic table. In a neutral atom, the number of electrons equals the number of protons. However, the number of electrons is not the atomic number.
The atomic number of an atom is the number of protons in its nucleus, which determines its chemical element. It is always a whole number and is used to arrange elements on the periodic table in increasing order of atomic number.
It depends on what atom it is...If it is a Hydrogen atom, it is 1If it is a Helium atom, it is 2...Find the element you want on the Periodic Table of Elements, and there should be two numbers by that element. The smaller of the two numbers tells you the number of protons that the element has.
The atomic number is equal to the number of protons in the nucleus.
The chart is called the periodic table of elements, and elements are organized by their atomic number, which corresponds to the number of protons in the nucleus.
the number of protons in the nucleus.
The number of protons in a nucleus depends on the specific atom. In the periodic table of elements, the number of protons a given element has is equal to its atomic number.
The number of protons in a nucleus depends on the specific atom. In the Periodic Table of elements, the number of protons a given element has is equal to its atomic number.
The number of protons in a nucleus depends on the specific atom. In the Periodic Table of elements, the number of protons a given element has is equal to its atomic number.
Number of protons in the nucleus (=atomic number)
The atomic number (number of protons in the nucleus)
Mass number - the number of protons and neutrons present in the nucleus.
Periodic Table
The atomic number is the number of protons in the nucleus of an element. It defines the element. No two different elements can have the same number of protons. It is used to lay out the periodic table because the table shows the elements in increasing numbers of protons.
The order of elements in the periodic table is based on their atomic number, which is the number of protons in the nucleus of an atom. Elements are arranged in order of increasing atomic number from left to right and top to bottom on the periodic table.