How many electrons, protons, and neutrons does copper have?

Based on the equation, how many grams of Br2 are required to react completely with 36.2 grams of AlCl3? 2AlCl3 + 3Br2 → 2AlBr3 + 3Cl2

Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.

How many grams of solid ammonium bromide should be added to 0.500 L of a 0.135 M ammonia solution to prepare a buffer with a pH of 10.190? ka = 1.8Ã10-5 grams ammonium bromide = g.

A 25.0 mL sample of H3PO4 requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?

Why are protons in an atom so important? Question 5 options: A. Protons determine the atoms' identity (type of element) and where it is located on the periodic table. B. Protons are bigger than all the other particles in an atom. C.

Which resonance forms of silicon dioxide contribute the most to the actual bonding?

Magnesium has an atomic number of 12. To which atom would a magnesium atom transfer its valence electrons? A - HE B/C C - S D-B

Energy leaves the sun as light from a region called the?

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors