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An atom of element E contains 3 protons,...

An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number ?
(b) What is its mass number ?
(c) Write the electronic configuration of the element E
(d) State whether element E is a metal or non-metal. Why ?
(e) What type of ion, cation of anion, will be formed by an atom of element E ? Why ?
(f) Write the symbol of the ion formed by an atom of element E
(g) What could element X be ?

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