Samuel adds a teaspoon of salt to a glass of water. he notices that the salt disappears. whar kind of change has occured

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

How many atoms are there in 5.70 mol of mg