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

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?

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

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?

Is the number of protons the same in the atom and the ion in lithium

In ionic compounds, ________ lose their valence electrons to form positively charged ________.