Using the periodic table, which of the following elements has the most properties in common with calcium (Ca) ?

potassium (K)

magnesium (Mg)

scandium (Sc)

argon (Ar)

A flame melts a candle the wax melts because of

During which process can 10.0 milliliters of a 0.05 M HCl (aq) solution be used to determine the unknown concentration of a given volume of NaOH (aq) solution? (1) evaporation (3) filtration (2) distillation (4) titration

Identify the intermolecular forces present in each of these substances. hcl, ch4

What was the difference between Thomson's model of the atom and Dalton's model of the atom?

A homogeneous mixture usually a liquid with some substance dissolved in it is a

What is the development of lymphocytes compared to other formed elements?

If you are given only the mass number of neutrons, how do we find an atomic number?

You need to make an aqueous solution of 0.223 M barium bromide for an experiment in the lab, using a 250 mL volumetric flask. How much solid barium bromide should you add?

What is wosutah unsrcambled

How many moles of al2o3 are formed when 0.78 mol o2 reacts with aluminum?