Which of the following could cause a physical change in a solid piece of sodium metal? A exposing it to chlorine gas B. hitting it with a hammer
C. putting it in water
D. dissolving in acid

Strong conductivity of plasma allows it to act and react as and

There are main groups in the modern periodic table of elements

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