An atom of an unknown element can lose 3 electrons to reach

Last updated: 8/4/2022

An atom of an unknown element can lose 3 electrons to reach a full octet. Which of the following is most likely to be that element? Calcium with 20 electrons in 2-8-8-2 configuration. Aluminum with 13 electrons in 2-8-3 configuration. Sulfur with 16 electrons in 2-8-6 configuration. Silicon with 14 electrons in 2-8-4 configuration.