Solve One Step Equations An atom of niobium his a mass number of 93.
neutrons are in the nucleus of this atom ? An atom of phosphorus has
is protons and 15 neutrons in the nucleus. What is the mass of this isotope?

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this