An atom that has a charge because it has gained or lost electrons is

A. an ion

B. an isotope

C. a new element

Explain how the law of conservation of energy is obeyed in a food chain

Identify two ways in which space exploration has influenced Florida's economy and culture

From reading what's hereThat neutrons weigh a bit more than protons Is that bit more about the same as the weigh of an electronAnd if so could it be a positronOr anti-electron

Pure water is neutral. What is the appropriate justification for this?

In supersonic flights, molecules break apart and react chemically. which safety features protect the plane?

Compare how an increase in wavelength affects sounds and light waves.

The addition of an acid to water increases the [H30*) of the solution and increases the solution pH. True or False True False

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?