Which is true moving down a column or group in the periodic table?
a. each element has one less electron
b. each element has one more electron
c. each element has one less electron shell
d. each element has one more electron shell

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.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

What energy is it when you flip on a switch on a lamp