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Answer:  NH3(ammonia) is a polar molecule. For asymmetrical shape of NH3,the net dipole moment or molecular dipole moment of NH3 molecule is not zero.This indicates that NH3 is polar . Explanation: Hello!today I am going to tell you whether NH3 is polar or nonpolar molecule in just few steps. Is NH3 Polar or Nonpolar?                                                                                                                       Step-1 : Write the Lewis structure of NH3 first.You know that  in ammonia there are 8 valence electrons.Five has come from nitrogen as it the member of group 5A and 3 valence electrons from 3 H atoms.Each hydrogen atom provide one electron as H is the member of group 1A. From the lewis structure of NH3 ,it is clear that nitrogen atom has one lone pair electron. Now consider electronegativity difference.In NH3,every N-H bond is polar because nitrogen is more electronegative than hydrogen. Now consider the bond dipole moment.As all N-H

● A factor in math is any whole number that can divide another number evenly without a remainder. ●N's factor is the number that can divide N without remainder.That is ,divisors and quotients are the factors of a number in math. Explanation: Hello,now you will learn the definition of a factor in math.Remember that a factor of a number (N) in math is a small or equal number  of  that number(N). Let's say,the value of N is 4.So,what is a factor of 4 in math? Have a look. If we divide 4 by 2 ,the quotient will be 2.So 2 is a factor of 4.That is , 2 can divide into 4 exactly (without remainder).Here 2 is smaller than 4. ●4/ 1 =4 ●4/ 4 =1 ●4/ 2 =2 Here 1,2 and 4 are the factors of 4. A number may have more than one factor. Look,4=1×4            4=2×2 ●A simple way to find  factors of 4 in math is what pairs of numbers multiply to get 4. Definition of factor in math Here is the definition of factor in math. ●A factor in math is any who