What particle in an atom makes each element unique?

What is the half-life of a 0.5 g sample of radioisotope that decayed to 0.125 g in 9.6 min?

Why is pure silicon a poor conductor at room temperature?

What is the correct equation for cellular respiration?

Calculate these volumes. (a) what is the volume of 11.3 g graphite, density = 2.25 g/cm3?

What element has an electron configuration that ends in 2s2 2p4?

The example of the ancient fish called a coelacanth was used to show us that science is constantly seeking new A) evidence B) ideas C) creatures D) Scientists

What factors allowed the koala population to grow beyond what their habitat could sustain?

What are the subscripts for the molecular formula of C2H3

What does the dashes line represent? A. Medium B. Boundary C. Normal D. Incident Ray

Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles ... 1) are elements 2) are very reactive 3) have a high surface area to volume ration