A student combines 11.2 gramm el sodium and an unknown amount of chlorine. The chemical reaction that occurs produce a solid and a gas. The solld has a mass of 13.3 grams and the gas has a mang of 101 grams. What was the man of the chlorine? (35 POINTS!)

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium