All Elements Have Three or More Naturally Occurring Isotopes

Q6: An atom that has the same number

Q7: Which statement below is NOT consistent with

Q8: A fictional element has two isotopes,each making

Q9: J.J.Thomson discovered the existence of protons.

Q10: Which statement below accurately describes the contributions

Q12: The charges on electrons and neutrons cancel

Q13: How many electrons are in Br^-?<br>A)4<br>B)7<br>C)34<br>D)36<br>E)none of

Q14: Which one of the following is a

Q15: A specific isotope of an element is

Q16: John Dalton was the first person recorded