Answer:29 electrons
Explanation: If you look on a periodic table, the atomic number is the amount of electrons it has.
No the substance will remain the same substance as before.
The answer to the statement is true because the day is of the logical proportion it has to be time.
Ernest Rutherford is the answer you are looking for my friend.
First satellite was Sputnik and it was a race then to send satellites!! Everyone starts experimenting how to launch.
first try was on a dog , Laika !! It was send to space as it is long after sputnik is placed in orbit !!
Now you know everyone knows rocket science and the most active are ISRO (India) and NASA (USA) !!
