How many valence electrons will an atom of iron atomic number 26 have? explain why this is.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll