Isotopes

Front

What do these isotopes of carbon all have in common?

Back

atomic number and electrons

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

How many protons does this isotope of titanium have? Options: 48, 22, 26, 70

Back

22

Front

In a correctly written symbol, what would be located in the 'A' position?

Back

mass number

Front

What quantities vary between isotopes of an element?

Back

neutrons and atomic mass

Front

Which atom has 4 neutrons? Options: Li-6, Li-7, Li-8, they have the same # of neutrons

Back

Li-7

Front

How many neutrons in C-14?

Back

8

Front

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________. Options: n⁰ ;  atomic #’s, p⁺ ; atomic #’s, e^- ; atomic masses, n⁰ ; atomic masses

Back

n⁰ ; atomic masses

Front

How many neutrons does the isotope  ⁸⁹ ₃₆Kr have?

Back

53

Front

Which of the following symbols represent isotopes of the same element?
I. ⁷⁷₃₅X II. ⁷⁷₃₃X III. ⁸¹₃₇X IV. ⁸¹₃₅X

Back

I and IV