Question
Consider the following atoms in which $\mathrm{X}$ represents the chemical symbol of the element: (4.4,4.5)${ }_{11}^{22} \mathrm{X}$,${ }_{10}^{22} \mathrm{X}$,${ }_{10}^{19} \mathrm{X}$,${ }_{92}^{238} \mathrm{X}$,${ }_{92}^{236} \mathrm{X}$a. Which atoms have the same number of protons?b. Which atoms are isotopes? Of what element?c. Which atoms have the same mass number?
Step 1
So, the atoms ${ }_{11}^{22} \mathrm{X}$,${ }_{10}^{22} \mathrm{X}$,${ }_{10}^{19} \mathrm{X}$,${ }_{92}^{238} \mathrm{X}$,${ }_{92}^{236} \mathrm{X}$ have 11, 10, 10, 92, and 92 protons respectively. Show more…
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