When having an equal number of protons and electrons, what does that do to the overall charge of the element? Why do you think that?

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

When a scientific theory has been tested and proved by the scientific community, it becomes a law

What metric units would you use to measure the thickness of a key