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 is 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 does the isotope  ⁸⁹ ₃₆Kr have?

Back

53

Front

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

Back

I and IV

Front

Which isotope of lead is likely to be the most abundant given the isotopes: lead-204, lead-206, lead-207, and lead-208, with an average atomic mass of 207.2?

Back

lead-207

Front

When is an atom electrically neutral?

Back

protons and electrons are the same