What is the trend of ionic radius? O lonic radius increases from period 1 to period 7.
O lonic radius increases in cations and decreases in anions.
O lonic radius decreases from group 1 to group 18.
O lonic radius decreases from period 1 to period 7.

Part of molten rock at mid-ocean ridges

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Stage in which a typical star has completely stopped fusion