What happens to the atomic radius when an electron is gained? OA The negative ionic radius is larger than the neutral atomic radius.
O B. The negative ionic radius is the same size as the neutral atomic
radius.
OC. The negative ionic radius does not follow a trend with the neutral
radius.
O D. The negative ionic radius is smaller than the neutral atomic radius.

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.