Compare the value you calculated for the number of sand grains on Earth's beaches to the number of particles in a mole. What can you conclude about the size of a mole?
The number of particles in a mole is about
the number of grains of sand on Earth's beaches.

Answer is (d)a brainliest would be appreciated

1b. convection2f. the same

3-isopentane; 3-methylbutane, and 1,2-methylpropane do not meet iupac rules, so they are wrong names.the only valid name onthe list is 2-methylbutane, which is the same isopentane.this is its formula:                   ch2                    |ch3 - ch - ch2 - ch3answer: 2-methylbutane