The number of electrons/protons (both are the same number) is equal to the atomic number.
Brainliest please :)
 
        
             
        
        
        
Material Safety Data Sheet (MSDS) is the best place to find information about the hazards that are associated with a compound. It is a document that gives the information on the potential hazards such as health, fire, reactivity and environmental and how to work safely with the chemical products.
-Rosie
        
             
        
        
        
True! because if you have more than one variable, you aren’t going to know which variable changed the dependent variable.
        
                    
             
        
        
        
B. Crystalline structure
C. Types of chemical elements
And
D. Amounts of chemical elements