Question

4. What is an isotope?

a. An element with equal number of protons and neutrons

b. An elements with differing numbers of protons and electrons

c. An element with differing number of protons and neutrons

d. An element with equal number of protons and electrons

5. Compared to the charge and mass of a proton, an electron has

a. the same charge and a smaller mass.

b. the same charge and the same mass.

c. opposite charge and smaller mass.

d. opposite charge and the same mass.

 

6. A proton has approximately the same mass as                  .

a. a neutron

b. a beta particle

c. an alpha particle

d. an electron




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Answer 1

Answer:

4 c

5 b

6 a

Explanation:

Hope it helps you

Answer 2

Answer:

4) Elements with same atomic number but different mass number.

a. Uranium

b. Ions

Explanation: