Answer:
1.66 * 10^-23 moles
Explanation:
If you follow dimensional analysis, molecules to moles is 10 molecules divided by 6.022 times 10 to the 23rd and that gives you your answer
Answer:
purified is as close to pure at you can get
but filtered is close the difference is the purified is filtered many times when filtered is done once
Explanation:
Silicon for example appears lustrous, but is not malleable<span> or ductile (it is </span>brittle<span> - a characteristic of some nonmetals).</span>
isotopes are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.
