Question

An atom has no electrical charge because: its subatomic particles have no electrical charges the positively charged neutrons cancel out the negatively charged electrons the negatively charged neutrons cancel out the positively charged protons there are as many positively charged protons as negatively charged electrons

Answer 1

Its subatomical particles have no electrical charges

Answer 2

There are as many positively charged protons as negatively charged electrons. If the both charges are the same, they cancel each other out making the atom have a neutral charge. A neutral charge can be written as 0. Hope that helps!