Which element has 16 protons in its nucleus

The atomic number of a chemical element is the total number of protons that each atom of that element has.

We must then look for an element that has an atomic number equal to 16.

A chemical element of atomic number 16 is sulfur and its symbol is S.

It is a plentiful non-metal whose color is yellow.

Sulfur

Symbol: S

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metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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