Out of the following, which one is a molecule?

A. CO
B. Kr
C. Co
D. Rn

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n