PLEASE HELP ASAP

(serious answers only or i’ll report)

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas