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

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

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?

The ion(s) of an atom have significantly different mass(es) than the atom itself

What is the mass number of an ion with 109 electrons, 157 neutrons, and a +1 charge?

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

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