A piece of metal has a mass of 200 g and a volume of 2cm^3. What is its specific gravity? a) 0.01
b) 2
c) 100
d) 400

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

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