You are given an irregularly shaped lump of a material and determine that it has a mass of 32.7001 g. When placed in a graduated cylinder that initially contains 24.00 mL of water, the water level rises to 28.55 mL. What is the density of the unknown material

The p sub shell can hold up to 8 electrons in an atom. true or false?

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

In the reaction between a crushed antacid tablet and vinegar what gas is emitted