Question

What is the atomic number of 222Rn

308

222

136

86
@sweetburger

Answer 1

lol im sorry i really dont get these. im on online school and anytime i ask my teacher a question she tells me she explained it fine the first time

Answer 2

Atomic number is equal to the # of protons in an element therefore Rn being an isotope doesnt change the answer which is just 86.

Answer 3

>< makes me mad

Answer 4

so because the amount of protons in Rn is 86; the answer is 86?

Answer 5

wow, your teacher doesnt seem very cooperative :/

Answer 6

yes

Answer 7

atomic number is the direct number on the periodic table

Answer 8

cool! and no she isnt. #FirstYearInOnlineSchool