The Periodic Table - Page 5
Questions
- Where in the periodic table are the metallic elements found?
- What makes the periodic table periodic?
- What group in periodic table is nitrogen located?
- What event helped the development of the periodic table?
- Why do elements with similar properties appear at regular intervals in the periodic table?
- Where on the periodic table are most of the natural radioactive nuclides located?
- On the periodic chart, the atomic mass for the element hydrogen is more than the amu for a proton. How would you explain this fact?
- Explain how the periodic table is organized?
- How do you predict the charge of an ion?
- In what period do the elements in the actinide series belong?
- What was Dmitri Mendeleev's major contribution to the field of chemistry?
- Where are the most metallic elements on the periodic table located?
- Which group on the periodic table is the least reactive? Why?
- Why do groups among the main-group elements display similar chemical behavior?
- In the ground state, each atom of an element has two valence electrons. This element has a lower first ionization energy than calcium. Where is this element located on the Periodic Table?
- What is the chemical name of iron?
- How are the elements differentiated? And how many protons occur in hydrogen, helium, and lithium?
- How can a periodic table be used to determine the charge of an ion?
- How do we explain the fact that cobalt comes before nickel in the periodic table, even though cobalt has a higher atomic mass than nickel?
- Are inert gases in the same group of the periodic table?