What is the bond that forms between two ions and why does this bond form?

How can cool red giant be more luminous than a warmer main sequence star? a) It is not possible for a cool red giant to be more luminous than a warmer main sequence star.

The reaction, AB = > A (g) + B (g), has a rate law, rate = {AB}2. a. Calculate the rate constant in L/mol*s if it takes 62 seconds to reach an {AB} of 0.0443 mol/L from an initial concentration of 0.171 mol/L. (Enter your answer to 3 decimal places)

A student performs the following experiment. step 1: she pours a colorless solution into a beaker that contains another colorless liquid. yellow particles appear in the liquid.

Which criterion is used to arrange the elements in columns on the periodic table?

Which law is used to determined the relationship between the volume and the number of moles

Which of the following is best revealed by the bohr model? a. electrons are found only within the nucleus of an atom. b. protons orbit the nucleus of an atom in fixed proton shells. c. neutrons orbit the nucleus of an atom in fixed neutron shells. d.

A scientist wants to predict the weather which sphere should he study?

What structural formula represents 4 electrons shared between two atoms A. 0=0 B. S8 C. P4 D. N=N

A change in the nucleus of an atom that converts the atom from one element to another element is called (1) combustion (3) polymerization (2) neutralization (4) transmutation

Sodium fluorophosphate is a chemical used in toothpaste to