Which of the following determines the chemical properties of an element ?

Options

A. Number of electrons
B. Number of neutrons
C. Number of protons
D. All of the above

Answer

A

Explanation

Valence electrons are important in determining how an element reacts chemically with other elements. since the valence electrons are the electrons in the highest energy level, they are the most exposed of all the electrons, so they are the electrons that get most Involved in chemical reactions.