How many places are there electrons in the innermost shell of an atom

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

How much energy is made when a pice of wood burns. how do you know

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.