An atom that gains an electron and forms an ion with a charge becomes in size.

What is the atomic number of an anion that has 5 neutrons and 4 electrons

The mass number of Fe²⁺ is 56. How many neutrons are there in a single Fe²⁺ atom? 28 30 56 58

An ion with a positive electrical charge is considered to be _____.

An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.

What charge would an ion that has 11 protons, 11 neutrons, and 10 electrons would have?

Which choice(s) contain(s) an isoelectronic pair in the ground state?