2. Atoms & Elements

Is a charge indicated on neutral atoms? If yes, which of the following statements is correct?

Which two ions are most abundant in ocean water?

If an atom loses two electrons, what will be its resulting charge?

Which of the following best describes how a negative ion (anion) is formed?

What is the charge of a magnesium ion (Mg^{2+})?

Which term is used to describe particles that carry a negative or positive electric charge?

Which of the following is a cation?

What type of ion is formed when an atom loses electrons?

How does an atom become a cation?

What is the charge of a hydroxide ion (OH)?

Which two ions are most abundant in ocean water?

When NH_4NO_3 is dissolved in water, which ions are formed?

When forming a monatomic ion from a neutral atom, how many electrons can be removed at one time in a single ionization step?

Which of the following species is an ion?

Which of the following ions will form a compound with the bicarbonate ion (HCO_3^-) in a 1:1 cation to anion ratio?