Why are elements' atomic masses not in strict increasing order in the periodic table even though the properties of the elements are similara?

Write the net ionic equation for the reaction of zinc metal with aqueous iron (II) nitrate. Include physical states.

Ethyl alcohol has been added to 200 mL of water in a container that has a mass of 150 g when empty. The resulting container and liquid mixture has a mass of 512 g. What volume of alcohol was added to the water?

Which energy position do electrons generally want to be in? the ground state the excited state the highest possible energy level the medium energy level

Which major process involves the removal of water from intestinal contents?

The temperature and number of moles of a gas are held constant. Which of the following is true for the pressure of the gas? A. It is inversely proportional to the volume of the gas. B It is directly proportional to the volume of the gas.

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?

Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte. a) LiClO4 b) HClO c) CH3CH2CH2OH d) HClO3 e) CuSO4 f) C12H22O11

Give examples of temporaty physical change