Which structure below contains all of the others?
DNA
gene
chromosome
nucleus

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

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.

How many moles are in 1.26*10^24 particles in significant figures