How could you identify an element by it's number of protons

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

How do you convert 4 mmol of bromobenzene to ml?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false