The atom of an element X contains 17 protons, 17 electrons and 18 neutrons
whereas the atom of an element Y contains 11 protons, 11 electrons, 12 neutrons.
a. What type of ion will be formed by an atom of element X? Write the symbol of ion
formed
b. What will be the number of protons, electrons and neutrons in the ion formed
from X?
c. What type of ion will be formed by an atom of element Y? Write the symbol of
ion formed.
d. What will be the number of protons, electrons and neutrons in the ion formed
from Y?
e. What is the atomic mass of X and Y?
f. What could elements X and Y be?