Question

6
Map the road Riddle
A straight road of 40 km long is divided into three different parts. The
length of the middle part is 10 km. What is the distance between the centres
of the outer parts? (Use your notebook to solve.)
10 km -
a
a
b
b
- 40 km
plz find me the answer and be the braniliest (plz note that you have to give the whole answer with explanation)​

Answer 1

Answer:

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral.