<span>The answer is Cs, no. 2.
Cesium (Cs) is an element which has an outermost electron with most energy in
the ground state.</span>
Cesium (Cs), Lithium (Li), Potassium
(K), and Sodium (Na) are elements which belong to the group 1 family, the
alkali metals. Each has a valance of 1 and wants to release/ lose this e-
(electron) to be isoelectronic with the nearest noble gas. Based on the
periodic trends, an atom’s radii will raise going down a group.
Just pay attention in school big bones, stop asking people because if they mislead you that will not be good for you're college education.
Answer : Bromine
Step by step: Bromine
<h2>receptors belong to the autonomic nervous system !</h2><h2> BRAINLIEST PLEASE !</h2>
