How many block shells are the d block and the f block

How to find the density in chemistry

What elements form ions with a charge of - 1?

1) When chromium chloride, CrCl2, is dissolved in water, the temperature of the water decreases. a) Is the heat of solution exothermic or endothermic?

What is the molarity of 10g of carbon in a 500L solution?

How do the crystallization and settling of the earliest formed minerals affect the composition of the remaining magma?

Michael mixes two chemicals together in a beaker. The chemicals change color, and the beaker heats up quickly. What kind of change most likely occurred? A chemical change occurred. Only a physical change occurred. A mixture formed.

What is the Molar mass of Na3P

For each of the following sets of elements, circle the element expected to be most electronegative and draw a box which is expected to be least electronegative. K, Sc, Ca

Dissolving brass requires an oxidizing acid such as concentrated nitric acid. Nitrogen dioxide is produced as a byproduct in this reaction.

If 5.1 l of antifreeze solution (specific gravity = 0.80) is added to 3.8 l of water to make a 8.9 l mixture, what is the specific gravity of the mixture?