What mass of a 60.0-gram sample of 16N will remain unchanged after 28.52 seconds? a. 3.75 g
b. 7.50 g
c. 15.0 g
d. 30.0 g

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Why did southern business leaders want to increase the number of slaves

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied