2. Atoms & Elements

To become positively charged, an atom must:

Which of the following describes what an atom typically does to form a stable ion?

What happens to an atom when it loses an electron?

What is the charge on a hydronium ion (H_3O^+)?

When an atom of calcium loses two electrons, what is the resulting charge on the calcium ion?

What is the name given to a negatively charged ion?

Which of the following best describes an anion and its typical location on the periodic table?

Which type of elements typically form cations?

Which process leads to the formation of a cation?

Determine the number of protons (p) and electrons (e) in the ion Na^+.

An atom X has three electrons in its outermost shell. Which ion will X most likely form?

What charge will a sodium ion have when it loses one electron?

What is the overall electrical charge of any neutral chemical compound?

What does the sodium/potassium (Na+/K+) pump transport across the cell membrane?

Which ions, with their correct charges, are present in an aqueous solution of ZnCl2?