Question

an element o period 3 and group 6​

Answer 1

Answer:

here

Explanation:

acid , bases and salt

Answer 2

Group 6A — The Chalcogens. Group 6A (or VIA) of the periodic table are the chalcogens: the nonmetals oxygen (O), sulfur (S), and selenium (Se), the metalloid tellurium (Te), and the metal polonium (Po). ... The Group 6A elements have six valence electrons in their highest-energy orbitals (ns2np4).