If you do a doubling down (50%) dilution and your initial concentration is 200mg/mL and you use 5 mL of your sample and BTV with 5mL of water= what is the total amount in mg for each of the first 4 tubes.​

What does x represent in the formula for the compound xcl4?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.