Chemistry: Understanding Superscripts in Elements

What does the superscript of element Cl⁻ indicate?

A. positive ion.

B. neutral atom.

C. negative isotope.

D. negative ion.

Answer:

The superscript of element Cl⁻ indicates it is a negative ion.

Superscripts in chemical elements play a crucial role in indicating the charge of the element. In the case of Cl⁻, the superscript (-) indicates that chlorine (Cl) has gained an extra electron, giving it a negative charge. This means that Cl⁻ is a negative ion.

Understanding superscripts is essential in chemistry as it provides information about the properties of elements, such as their reactivity and ability to form compounds. In the case of Cl⁻, knowing that it is a negative ion allows chemists to predict its behavior in chemical reactions and its interactions with other elements.

Overall, recognizing the meaning of superscripts in elements is fundamental for any student or researcher in the field of chemistry to interpret and analyze the properties and behavior of various chemical compounds.