Why is an atom neutral inspite of the presence of charged particles in it ?

Why is an atom electrically neutral?

Which of the ions is colourless inspite of the presence of unpaired electrons ?

Write the following steps is sequence that explain the phenomenon of redistribution of charges in an unchanged body in presence of a charged body . (A) As a result at one of the neutral body there is and excess of negatively charged particles and the other end there is an excess of positively charged particles. (B) Place a positively charged body near a neutral body. (C ) The negatively and positively chargeed particles in the neutral body get attracted and repelled by the positively charged body .

Which of the following processes is not responsible for the presence of electric charge on the sol particles ?