Somewhat of the same element, have same amount of protons but different number of neutrons. <span />
        
             
        
        
        
Answer: Luster (happy to help)
Explanation: Luster is the property of minerals that indicates how much the surface of a mineral reflects light.
 
        
                    
             
        
        
        
In the equation,
2Al(s) + 3Cl2(g) —> 2AlCl3(s),
the large number "3" in front of Cl2 indicates the the number of moles of Chlorine molecules needed to balance the equation. 
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Answer:
The given statement is false.
Explanation:
Displacement is a vector quantity which represent shortest distance form initial position to final position.
Velocity of an object is defined as ratio of displacement of object to that of the time taken by object to move from its initial position to final position.
In displacement vs time graph the slope of the graph represent the velocity. Whereas slope of velocity vs time graph gives acceleration.
 
        
             
        
        
        
Answer:
0
Explanation:
it is 0 I believe nothing