Which atom has a radius larger than the radius of its ion?

The empirical formula of a compound is CH2O and its mass is 120 amu/molecule, what is its formula?

what type of element can turn into both solid and liquid form depending on the temperature of its surroundings?

What volume of 0.10 M NaOH is required to neutralize 30 mL of 0.10 M HCl?

If 55.0 mL of ethanol (density = 0.789 g/mL) initially at 8.0 ∘C is mixed with 55.0 mL of water (density = 1.0 g/mL) initially at 28.4 ∘C in an insulated beaker, what is the final temperature of the mixture, assuming that no heat is lost? (CEtOH=2.

According to the kinetic theory, gases consist of particles that have motion that is constant, random, and rapid. occupy considerable volume. exert attractive and repulsive forces on other particles. are relatively close together.

What is the net electrical charge on a magnesium ion that is formed when a neutral atom loses two electrons?

Solid magnesium carbonate (mgco3) and solid sodium nitrate were mixed, placed in water, and stirred. what is observed? 1. mgco3 and nano3 will not dissolve. 2. mgco3 and nano3 will dissolve. 3. mgco3 will remain undissolved and nano3 will dissolve.

A method of lowering the concentration of HCl (aq) is to allow the solution to react with a small quantity of Mg. How many milligrams of Mg must be added to 219 mL of 1.032 M HCl to reduce the solution concentration to exactly 1.000 MHCl

An autoclave would often be used by which of the following scientists?"

When discussing acids and bases any substance that accepts a patron by definition is considered an