26. Which type of element has properties that are intermediate between metals and nonmetals? O Metalloids
O Alkali metals
O Halogens
Alkaline earth metals

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ