Answer:
1/16 is the answer.........
 
        
             
        
        
        
Count up the number of electrons in each orbital. theres ten electrons which means it has 10 protons. the element would be neon
        
             
        
        
        
Answer:

Explanation:
Hello,
In this case, we can consider the following chemical reaction for the oxidation of copper which only occurs at high temperatures:

In such a way, for 0.032 grams of copper, the following grams of copper (II) oxide (black product) are yielded:

Therefore, the percent yield is:

Best regards.
 
        
             
        
        
        
C) and d) are physical changes while b) is chemical