Answer:
false evaporation is change of state
boiling point is temperaturw of liquid
The mass of Hydrogen is 2 g/mol
The mass of Helium is 4 g/mol
Answer:False
Explanation:co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table
Answer:
Science is the study of the world and how it works through collecting data using the scientific method. Technology is the application of that scientific knowledge to create devices that solve problems and carry out tasks.