<h2>Answer:</h2>
<u>The number of neutrons is </u><u>47</u>
<h2>Explanation:</h2>
In order to find the number of neutrons we subtract the atomic number from the atomic mass.
In the given case the atomic number is 23 and mass number is 70 so
No of neutrons is 70 -23 = 47
In (A. Dalton's) atomic model, negative electrons orbit the positively charged nucleus.
When light crosses the boundary between layers with different densities, the light is refracted. (A).
Answer:
There is nothing faster then light
Explanation: