`i was wading in the creek and discovered what i thought to be a small meteorite. i took it home and found its mass to be 12.00 kg. i ran some fancy schmancy chemical tests on it, and determined that the mass of nickel within the sample was 300.0 grams. what is the mass percent of nickel in the meteorite? a. 25.00%

What substance has a mass of 9.5g and volume of 2.1cm^3

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?