Welcome to Chemistry Crossword Puzzle

QUESTIONS LIST: hydrogen : the lightest element, positive : the charge on an atom's nucleus, negative : the charge on an electron, neutron : the name of the neutrally charged particle which is part of an atom's nucleus, silver : the best conductor of electricity, supernova : the event that creates the heavy metals (e.g, gold, zinc, nickel, etc.), substances : chemistry is the study of _ , uranium : the first atomic bomb used an isotope of this element, plutonium : the second atomic bomb used an isotope of this element, water : another name for h2o, phase : when a substance changes from a solid to a liquid, that is known as a change of _ , inert : helium, neon, and argon are examples of these gases, electrolytes : salts (e.g, sodium, calcium) dissolved in water and found in the human body are known as _ , boiling : the point at which a liquid will change into a gas, iron : by mass, the most common element on earth, equals : in any element, the number of protons _ the number of electrons, triple : the point at which the solid, liquid, and vapor phases of a pure substance can coexist in equilibrium, bohr : the model of the atom which includes electrons orbiting the nucleus of the atom