Establish what skills are required to reach his goal
        
                    
             
        
        
        
Answer:
100 or so atoms of the periodic table, in different combinations, make up <u>Compounds</u>.
Explanation:
Atoms from different element in the periodic table combined together with the help of  bond and make a new product that is called compound. 
<u>For example</u>
Hydrogen and oxygen are the elements of the periodic table. When one atom of oxygen and two atoms of hydrogen are combined together, a compound will be formed named as water (H20).
In another example, two atoms of oxygen and one atom of carbon combines toghther through chemical reaction and make compund named as Carbon dioxide (CO2).
 
        
             
        
        
        
Answer:
Number of strings = (10, 2)×(8,3) = 2520
Explanation:
The number of possible combinations for taking two 0's is C(10, 2)
It remains 8 Positions
The number of possible combinations for taking three 1's is C(8,3)
So there remains 5 spots