Chemistry, 19.10.2019 03:40 hdhshshs741
Mercury is an element. which of the following would be the same for all atoms of mercury?
a. the number of protons
b. the number of neutrons
c. the number of electrons
d. the total number of protons and neutrons
Answers: 1
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
Chemistry, 22.06.2019 06:30
Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
Answers: 2
Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
Mercury is an element. which of the following would be the same for all atoms of mercury?
Mathematics, 20.08.2019 00:10