7. The atomic number equals the number of blank or blank in a stable atom of an element.

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver