An atom has 1 proton, 2 neutrons, and 1 electrons. what is the atomic number of the atom?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea