12. What is the mass number of an isotope that has 3 electrons, 3 protons, and 5 neutrons?
a. 5 amu
b. 8 amu
c. 6 amu
d. 3 amu

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

Sugar is dissolved in water. which is the solute? sugar neither both water

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma