¿Cuál es la estructura correcta de símbolos electrónicos para el elemento de F?

What is avogadro’s number, and why is it useful

Which position represents spring in the southern hemisphere? a) b) c) d)

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g