Properties of Matter A student has two metal nails that are each made of a pure substance. Which of the following would help the student determine if
the nails are made of the same pure substance?
A measuring the differences in their length
OB. dropping each nail into a different liquid and observing whether the nails sink or float
OC.
placing the nails on a balance to measure their mass
OD
observing whether the nails corrode at different rates when exposed to the same salt solution
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Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant. 

Rn in the right answer

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Answer///precipitate;