How may grams of fe can be produced when 10.0 moles of al is reacted

Iknow #2 is d. i just need to know why

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4