Question

the electron dot diagram shows the arrangement of dots without identifying the element. which elements symbol could replace the question mark in the diagram? carbon (c) tellurium (te) beryllium (be) cesium (cs)

Explanation:

The electron - dot diagram shows 6 valence electrons. Carbon has 4 valence electrons, tellurium has 6 valence electrons, beryllium has 2 valence electrons, and cesium has 1 valence electron. Elements in the same group have the same number of valence electrons. Tellurium is in Group 16 and has 6 valence electrons.

Answer:

tellurium (Te)