An aluminum atom has 13 protons 14 neutrons and 13 electrons what is aluminum's atomic number

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.