Dilute solution is what term?

The bright-line spectrum of sodium is produced when energy is (1) absorbed as electrons move from higher to lower electron shells (2) absorbed as electrons move from lower to higher electron shells (3) released as electrons move from higher to lower

How is electricity generated in a nuclear power plant?

The pressure in a sealed plastic container is 108 kPa at 41 degrees Celsius. What is the pressure when the temperature drops to 22 degrees Celsius? Assume that the volume has not changed.

Electromagnetic waves that are harmful to living things are A. high energy waves or B. both high energy and low energy waves

What is an inference?

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons

The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?