1. What do these isotopes of carbon all have in common?

A neutrons & mass number B. atomic number and neutrons

C. atomic number and electrons

D. protons, atomic number, and mass number

2. Which atom has 4 neutrons?

A. Li-6

B. Li - 8

C. Li - 7

D. They have the same number of neutrons

3. Atoms of the same element must always have the same number of

A. electrons

B. isotopes

C. neutrons

D. protons

4. An atom has 5 neutrons and a mass number of 9. How many protons does it hav

A. 2

B. 5

C. 4

D. 9

5. How many protons does this isotope of titanium have? 22 ^ 48 Ti

A. 48

B. 26

C.22

D. 70

PASAGOT THANKYOU!

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