Question

I don’t have a lot of time please help!
No websites or links.

Don’t answer it if you don’t now. Thanks

Answer 1

ANSWER: KR or Krypton has 36 protons

how we know that is because the atomic number of an element will ALWAYS be the same number of protons

for example if we have atomic number 79 for AU or gold then that tells you gold will have 79 protons

hope this makes since and helps :)