2. Atoms & Elements

An atom or a molecule with either a positive or negative charge is referred to as a(n):

Which of the following best describes a molecule that has had an electron removed?

Which of the following ions is most closely associated with bases?

An ion has 26 protons. Which element does this ion originate from?

Which type of element typically forms a positive cation?

Which term describes an atom or a group of bonded atoms that has a positive or negative charge?

Which of the following is an ion?

Which term is used to describe a positively charged ion?

Which of the following best describes anions?

Which ions are present in an aqueous solution of NaOH?

In the context of ions and electrochemistry, what does the symbol Ø (an 'O' with a line through it) typically represent?

Which of the following elements is most likely to form a -3 ion?

Chlorine forms a 1- ion known as the chloride ion. How many electrons does a chloride ion have?

When iodine forms its most common ion, represented as I^-, how many protons and electrons does it have?

Why do anions carry a negative charge?