Question

protons and isotopes quick check
an element has an atomic number of 16. an ion of this element has a 2 - charge. how was the ion formed? (1 point)
a neutral atom gained 2 electrons.
a neutral atom lost 16 electrons.
a neutral atom gained 16 electrons.
a neutral atom lost 2 electrons.

Explanation:

Electrons are negatively - charged. A neutral atom becomes negatively charged when it gains electrons. A 2 - charge indicates a gain of 2 electrons.

Answer:

A. A neutral atom gained 2 electrons.