What is the mass number of an atom with 6 protons and 7 neutrons

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

When the water vapor cools it condenses select a number that represents his process on the

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.