What is the collection of protons and neutrons in the center of an atom called

Which properties do all solids share?

The palmetto landfill in greer, sc supplies over 50% of the energy for the bmw plant there. this reduces carbon dioxide emissions by

What has a greater mass - 1 mole of potassium or 1 mole of sodium

What happens when a solid becomes a liquid? A) it changes shape and volume B) it changes volume but not shape C) neither volume nor shape changes D) it changes shape but not volume

A concentrated solution in water will always contain a strong or weak electrolyte true or false

NaOH+HCl--> NaCl+H2O what is the total number of grams of H2O produced when 116 grams of the product, NaCl, is formed?

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.