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The fourth energy level is f with ______ orbitals and a maxi…

The fourth energy level is f with ______ orbitals and a maximum of _______ electrons.

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Each horizontal row is called a(n) _________________________…

Each horizontal row is called a(n) _________________________.

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Each vertical column is called a(n) ________________________…

Each vertical column is called a(n) ________________________.

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According to the video, there are three families of elements…

According to the video, there are three families of elements known as the: ________________________,  ____________________, and ____________________.

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The elements are arranged in order by their ________________…

The elements are arranged in order by their ___________________________________. 

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The second energy level is p with ______ orbitals and a maxi…

The second energy level is p with ______ orbitals and a maximum of _______ electrons.

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In 1869, ______________________________ first published the…

In 1869, ______________________________ first published the modern arrangement of the elements that is the basis of our periodic table today. 

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The first energy level is _______ with 1 orbital and a maxim…

The first energy level is _______ with 1 orbital and a maximum of _____ electrons. 

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The diameter of an average atom is approximately ___________…

The diameter of an average atom is approximately ________________ times larger than the diameter of its nucleus.

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Each periodic rise in melting point begins with one of the _…

Each periodic rise in melting point begins with one of the ______________________ in the lithium column.

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