Hope you find this answer I need points
        
             
        
        
        
Answer:
10 g/ml
Explanation:
divide mass by volume means divide 1000 by 100 and your answer will be 10
 
        
             
        
        
        
The answer is true. One neutral atom of carbon has four valence electrons.
 
An easy way of finding out is to check out the periodic table and look at which main number group the element is in. Carbon is in group number four, which would mean it has four valence electrons.
Hope I was able to help!
        
             
        
        
        
Answer: what do i have to do to help.. ;-; like i need instructions and why are the words coverd off black?? 
;-;
Explanation:
 
        
             
        
        
        
Answer:
The composition of air this is because it vmade up of oxygen, nitrogen, Nobel gages and Carbon dioxide