Newly discovered element (X) is placed below lead in  periodic table. Atomic number and its symbol is

Which element is a metalloid located in period 4, group 14 of the periodic table?

Write the electron configuration of an atom of the element highlighted in this outline of the Periodic Table:HeNeArKrXeRn1234567Hint: you do not need to know the name or symbol of the highlighted element!

Study the information in the table below and answer the questions that follow. Theletters do not represent the symbols of the elements.Element(C) Atomic number Melting pointL 11 97.8M 13 660N 14 1440Q 17 401R 19 63.7a) Write the electrons arrangement for the atom formed by elements and M andQ........................................................................................................................................................................................................................................................................b) Select an element whichisi) The most reactive non –metal...........................................................................................................................ii) A poor conductor ofelectricity...........................................................................................................................c) In which period of the periodic table does elements Rbelow.....................................................................................................................................d) Element R lodes its outermost electron more readily than I.Explain

If the atomic number of an element is 60, it will be placed in the periodic table in the 4th group, 7th period 4th group, 6th period 3rd group, 7th period 3rd group, 6th period

What is the atomic number of lead