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What are group 1,2,17 and 18 elements called?
group 1 elements are alkali metals, group 2 elements are alkaline earth metals, group 17 elemets are halogens & group 18 elements are noble gases. (:
i meant group 17 elemeNts*
why thank you(:
no problem(:
Do you happen to know the blanks for this? :Atomic masses on the periodic table are not whole numbers because it represents the __mass of all the known_ of that element.
first blank: average second blank: isotopes i love chem. (:
you are my hero! haha thank you so so so much! :D
no problem!(:
hahahaha(:
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