Problem 11
Where is the location of electrons in an atom?
Problem 12
Where is the location of protons and neutrons in an atom?
Problem 14
What is the approximate size (in \(\mathrm{cm}\) ) of an atom?
Problem 15
What is the relative charge of an electron and proton?
Problem 16
What is the relative mass of an electron and proton?
Problem 17
State the number of neutrons in an atom of each of the following isotopes: (a) \({ }_{10}^{20} \mathrm{Ne}\) (b) \({ }_{18}^{40} \mathrm{Ar}\) (c) \({ }_{36}^{80} \mathrm{Kr}\) (d) \({ }_{54}^{131} \mathrm{Xe}\)
Problem 18
State the number of neutrons in an atom of each of the following isotopes: (a) \(\quad{ }_{11}^{23} \mathrm{Na}\) (b) \(\quad{ }_{30}^{65} \mathrm{Zn}\) (c) \(\frac{27}{13} \mathrm{Al}\) (d) \({ }_{47}^{107} \mathrm{Ag}\)
Problem 19
State the number of neutrons in an atom of each of the following isotopes: (a) hydrogen-1 (b) carbon-13 (c) cobalt-59 (d) iodine-127
Problem 20
State the number of neutrons in an atom of each of the following isotopes: (a) hydrogen-2 (b) carbon-14 (c) \(\operatorname{cobalt}-60\) (d) iodine-131
Problem 23
Draw a diagram of the arrangement of protons, neutrons, and electrons in an atom of each of the following isotopes: (a) \({ }_{3}^{7} \mathrm{Li}\) (b) \({ }_{6}^{13} \mathrm{C}\) (c) \({ }_{8}^{16} \mathrm{O}\) (d) \({ }_{10}^{20} \mathrm{Ne}\)
