How are the elements arranged in the current periodic table?A.In order of increasing average atomic massB.In order of increasing number of electronsC.In order of increasing number of neutronsD.In order of increasing atomic number
Question
How are the elements arranged in the current periodic table?A.In order of increasing average atomic massB.In order of increasing number of electronsC.In order of increasing number of neutronsD.In order of increasing atomic number
Solution
The elements in the current periodic table are arranged in order of increasing atomic number (Option D).
Here's a step-by-step explanation:
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The atomic number of an element is the number of protons in the nucleus of an atom. It is unique to each element and defines the element's identity.
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The periodic table starts with Hydrogen, which has an atomic number of 1, and continues to elements with higher atomic numbers.
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Each subsequent element in the periodic table has one more proton in its nucleus than the previous one. For example, Helium (He) has an atomic number of 2, Lithium (Li) has an atomic number of 3, and so on.
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This pattern continues throughout the periodic table, with the atomic number increasing by one from one element to the next.
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Therefore, the elements in the periodic table are arranged in order of increasing atomic number.
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