Need to know how many grams of cr2o3 can react with 50.0 grams os si?

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!