How many atoms are in 5.64 moles of iron

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Why do elements in groups share more chemical properties than elements in a period?

When a pendulum is held high and taut and then is released, the pendulum begins to swing what's the correct order of the energytransformations in this example? (pe stands for potential energya.gravitational peelastic pethermal energyb.gravitational pe - kinetic energythermal energyc.kinetic energyelastic pe - thermal energyd.kinetic energy-gravitational pethermal energye. thermal energy - gravitational pekinetic energy