What temperature is absolute zero?
A. OK
B. 0°F
O C. O molecules
D. 0°C

What are the percent by mass of copper in penny lab

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

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