Which of the following elements has an atomic number of 4? Group of answer choicesHCHeBenone of the above.

Which of the following elements is not in Group 1 of the periodic table?Group of answer choicesLithiumpotassiumHeliumHydrogen

Which of the following elements is the most electronegative?Group of answer choicesRuCsSiTeS

The group 4 transition element whose atoms have the fewest protons has the name

The table shows the atomic structure of four elements.ElementNumber of electronsNumber of neutronsNumber of protonsElectron configurationW1112112, 8, 1X1516152, 8, 5Y1718172, 8, 7Z1822182, 8, 8Question promptWhich two elements can form an ionic compound?Question response areaSelect one optionW and ZW and YX and YY and Z

A well know element having atomic number 16. Total number of lone pair and unpaired electrons present in its valence shell are _______________.