Amixture consists of sand, salt, and iron filings. which of the following instruments or materials would not be useful in separating this mixture?

a. magnet
b. filter paper
c. screen
d. water

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl