What is the crucial element of a good hypothesis?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

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