Chapter 3: Problem 4
List three different ways that chemical elements were named.
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These are the key concepts you need to understand to accurately answer the question.
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Chapter 3: Problem 4
List three different ways that chemical elements were named.
These are the key concepts you need to understand to accurately answer the question.
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Write the mass and charge of the proton, neutron, and electron.
Explain the connection between the properties of an element and the atoms that compose it.
What is the mass of each of the following? a. \(1.8 \mathrm{~mol} \mathrm{~S}\) b. \(0.0067 \mathrm{~mol} \mathrm{Au}\) c. \(1 \mathrm{Na}\) atom d. \(3.88 \times 10^{26} \mathrm{Ne}\) atoms
Which two of the following elements would you expect to be most similar to each other? Why? \(\mathrm{Mg}, \mathrm{N}, \mathrm{F}, \mathrm{S}, \mathrm{Ne}, \mathrm{Ca}\)
Determine the number of protons, neutrons, and electrons in each of the following: a. \({ }^{238} \mathrm{U}\) (used in nuclear reactors) b. \({ }^{14} \mathrm{C}\) (used in carbon dating of fossils) c. \({ }^{23} \mathrm{Na}^{+}\) d. \({ }^{81} \mathrm{Br}^{-}\) e. \({ }^{16} \mathrm{O}^{2-}\)
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