Question

Write the symbol of element x having atomic number z and mass number a?
It is a proper question? Answer it sincerely. If you have answer then only reply to this question. ​

Answer 1

Answer:

(a) The figure 9 indicates mass number.

(b) The figure 4 indicates atomic number.

(c) The number of protons in atom X should be 4.

(d) The number of neutrons in atom X should be 5.

(e) The number of electrons in atom X is 4.

(f) In the outermost shell of an atom of element X there are 2 electrons.

(g) The symbol of ion formed by an element Z is Lithium (Li)

Mark me Brainliest!!