10003 1. A mole of helium
helum gas contains 602
183 helium
na kila
atoms are
milliomole of helium
there
mole P​

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

What is the atomic number of an atom that has 6 protons

What is the oxidation state of an individual bromine atom in nabro3?