How many atoms are in 3.75 moles of phosphorus?

a) 136 atoms
b) 35 atoms
c) 6.23x10^-24 atoms
d) 2.26x10^24 atoms

What type of matter is made of only one kind of atom

How is the atomic number of a nucleus changed by alpha decay

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.