Question

1.An ion M3+ contains 10 electrons. What is the atomic number of M?

2.A species has 6 electrons and 7 protons. Is it a cation or Anion?

3.Which isotope of carbon is used for carbon dating?

4.What is the valency of an element with electronic configuration 2, 8, 6?

5.What is the maximum number of electron which can be present in a

given shell according to Bohr – Bury scheme?


plz answer as soon as possible..​

Answer 1

Answer:

1- 13 e

2-Cation

3-Carbon-14

4- (-2)

5-2n² where n is the number of shells