1.

An atom of an element X may be written as 94X. (a) What does the figure 9 indicate? (b) What does the figure 4 indicate? (c) What is the number of protons in atom X? (d) What is the number of neutrons in atom X? (e) What is the number of electrons in atom X? (f) How many electrons are there in the outermost shell of an atom of element X? (g) Write the symbol of ion formed by an atom of element X.

Answer»

An atom of an element X may be written as 94X.
(a) What does the figure 9 indicate?
(b) What does the figure 4 indicate?
(c) What is the number of protons in atom X?
(d) What is the number of neutrons in atom X?
(e) What is the number of electrons in atom X?
(f) How many electrons are there in the outermost shell of an atom of element X?
(g) Write the symbol of ion formed by an atom of element X.



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