Where are the rare earth metals located on the periodic table

A fish is removed from a contaminated lake. You determine that a particular toxin (X) is present in its cells at concentration X = 1,500 μg/L.

Why are experiments important in science

What would be the pH if the [H+] = 3.00 x 10-5 moles/liter? 4.52 5.48

At room temperature, which answer is the most compressible? one liter of water, a liquid one liter of oxygen, a gas one liter of iron, a solid one liter of mercury, a liquid

Energy cannot be created or destroyed. Therefore, in order to provide electric energy for a portable laptop, voltaic cells need to be stored in hot places so that they can absorb and convert heat into electrical energy while plugged into the laptop.

Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power

A sample of pure copper has a mass of 5 grams calculate its volume

Which statement best explains why carbon is present in so many kinds of molecules? Question 1 options: It is abundant on earth, so it is readily available to bond with other elements. It does not form strong bonds, so it breaks apart.

How long does it tae for bleach to evaprate?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?