Density = mass / volume
therefore, both mass and volume are needed
the first one represents volume
The Space it occupies is the answer
The general properties of solids reflect the orderly arrangement of their particles and the fixed locations of their particles.
I got the answer was B because to make a circuit work, you need all of the ends attached. Hope I helped!
B,Si,Ge,As,Sb,Te, and At are all the metalloids on the periodic table of elements.