How many electrons does v5+ have

Many scholars believe the first pharaoh was Narmer, also called Menes. Though there is some debate among experts, many believe he was the first ruler to unite upper and lower Egypt (this is why pharaohs hold the title of “lord of two lands”).Mar 1, 2019

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer