Strontium (Sr). Elements in the same group of the periodic table have similar characteristics.
The best answer between the two choices would be the first option TRUE because the scientific method is used to do more advance research and investigation on things.
Answer - Inter-molecular attractions
Explanation-
As we know everything around us is made up of matter that means everything has molecules as their basic structure. The state of anything is decided by the spaces between the molecules.
The state of the objects that have strong inter-molecular attractions a solid and gradually the lesser will be in state of liquid and gas. The attraction between the molecules is overcome only when a certain amount of energy is provided from outside.
Answer:
It depends what other values you have. Can you give more info? If they give density then you can solve for m.