Which particles have the same mass?
a. proton and electron
b. proton and neutron
c. electron and neutron

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.