'By atomic number, this noble gas, number 10, is the first whose symbol matches a state postal abbreviation'
neon
FUN WITH THE PERIODIC TABLE: By atomic number, this noble gas, number 10, is the first whose symbol matches a state postal abbreviation
By atomic number, this noble gas, number 10, is the first whose symbol matches a state postal abbreviation
By atomic number, this noble gas, number 10, is the first whose symbol matches a state postal abbreviation
FUN WITH THE PERIODIC TABLE
neon
FUN WITH THE PERIODIC TABLE