2. Atoms & Elements

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?

Which of the following ions is isoelectronic with Xe?

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

Which of the following is an ion?

What is the charge of the sulfide ion (S^{2-})?

Which of the following is the most stable monatomic ion formed from iodine?

What is the charge on the silver ion in AgMnO_4?

Which classification of atoms typically form anions?

Which best describes the potassium ion that forms when potassium loses an electron?

Which type of electrical charge do anions possess?

Why does the oxygen atom in a water molecule have a partial negative charge?

When a lithium atom becomes an ion, which of the following best describes the resulting species?

When potassium forms an ion, which of the following occurs?

Which type of atoms typically form negative ions (anions)?