Question

Can anyone say the no. Of neutron for the 9th and name of the element for 7,8, and 9 and also the symbol for 7,8 and 9
Please anyone reply tomorow is my exam

Answer 1

Answer:

7= hydrogen ...................

Answer 2

Answer: the answer is Hydrogen

Explanation: All the three no.s 7,8 are isotopes of hydrogen and their symbol is also H..

For 9 the no. Of neutrons is zero and formula is H +