2. Atoms & Elements

Which of the following elements would most likely form an anion during ion formation?

How many total electrons are present in a Fe^{2+} ion?

What is the charge of chloride ions (Cl^-) when present in a salt compound?

How many protons (p) and electrons (e) are found in a Se^{2-} ion?

Why do anions form?

An ion has a net charge of 3+. If this ion has 8 protons, how many electrons does it have?

If a droplet has three extra electrons, what is the net charge of the droplet?

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?