Two substances were mixed and there was a color change and small flames. what can you infer happened?

a physical property was observed
a chemical change occurred
a change in state from solid to liquid
matter was destroyed

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics