Chapter 5: Periodic Classifications of Elements

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Periodic Classifications of Elements


In the modern periodic table, which are the metals among the first ten elements?


Metals are the substance that can donate the electrons easily while non-metals are the substance that can accept the electrons easily. The atomic number and electronic configuration of the first ten elements are shown below:

From the given elements, lithium, beryllium, and boron are the elements that can easily lose electrons. Hydrogen has an anomalous behavior. It is non-metal but it is placed above group 1 because of one valence electron. Thus, lithium, beryllium, and boron are metals.

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