How much elements are in the periodic table?

What is the molarity of a kf (Aq) solution containing 116 g of kf in 1.00 l of solution

Which elements can form basic compounds?

Does + 3 on a compound mean you lose or gain electrons/protons?

Write the formula for the binary compound that decomposes to the products H2 and Br2

Write the balanced equation for the reaction of aqueous Pb (ClO3) 2 with aqueous NaI.

According to Boyle's law, how would you reduce the volume of a gas? a. by decreasing its pressure b. by increasing its temperature c. by decreasing its temperature d. by increasing its pressure

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?