Seudónimo
Seudónimo
08-05-2017
Chemistry
contestada
what is the atomic mass of heilum
Respuesta :
zoeyiishawithrow
zoeyiishawithrow
11-05-2017
Helium's atomic mass is 4 because atomic number is 2.
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
How does Smith's view of the economy expressed in this excerpt compare to Owen's? A.Both believe individuals acting in their self-interest will lead to economic
How would you date a sample of rock that you suspect as being one of the earliest on Earth?
whay is infinity raise to any number equals?
Which substance is the reducing agent in this reaction? 2KMnO4+3Na2SO3+H2O→2MnO2+3Na2SO4+2KOH
What was a characteristic of American companies in the 1920s? A) They encouraged foreign companies to set up factories in the United States. B) They were motiva
Vitamins and minerals keep the blood healthy. Which part of the blood carries minerals, vitamins, and other nutrients to the body cells? Red blood cells /White
Which of the following was an object of critique in the works of the "Lost Generation" of writers? a progressivism b racism c materialism d multi-culturalism e
A large increase in gas prices creates a demand for cars with good gas mileage. It takes months for car companies to make these cars. How do you describe this m
Regarding the vaporization of water, which of the following is true? A. A great deal of heat must be lost by water to form hydrogen bonds and allow molecules to
You split wood with an axe. How would you change the axe to make splitting the wood easier? How would you increase its mechanical advantage?
