Calculate the molarity (M) of a solution that contains 1.5 grams of KOH and has a volume of 2.0 L. You must show your work in order to receive credit.

I’m an electrically neutral atomic any element, there are equal numbers of

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals