B. Biomass
(I guess so cause other ones are already being used)
Answer:
They have the same number of valence electrons (5) so the body assumes they are the same element.
A colored line, as long as it is one single piece, not broken
<span>H2. Since the difference in electronegativity between two identical atoms is 0, the resulting molecule is non-polar.</span>
Moseley established a more accurate periodic table by closer determination of atomic numbers. Through the results of his measurements of the wavelengths of the X-ray spectral lines of a number of elements which showed that the ordering of the elements by atomic number.