The Periodic Table - Page 3
Questions
- Where are the most vicious alkali metals?
- In groups on the periodic table, how do you know the charges of the elements in that group?
- What is the element with the electron arrangement of 2,8,8?
- Why did Mendeleev leave blank spaces between zinc (Zn) and arsenic (As)?
- What happens when Group 2A elements form ions?
- Why did Mendeleev not include krypton in his periodic table of 1871?
- The modern periodic table is arranged in order of increasing atomic what?
- If a new element were discovered and it was found to form #1^-#ions, in which group you place itin the periodic table?
- In the development of the modern periodic table, what is the best way of arranging the elements in the periodic table?
- How were the elements arranged in Dmitri Mendeleev's periodic table?
- Does the reactivity of the elements in group II increase or decrease down the group? Why?
- How can the periodic table be used to predict new elements?
- Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
- What family on the Periodic Table of Elements has a full outer electron shell?
- To which group in the periodic table does lithium belong? How many valence electrons does it have?
- What does the group number of a column in the periodic table represent?
- Please explain me iiiB group of the periodic table.?? Thank you.
- What is the family of elements that contains the most reactive metals?
- What family is helium in?
- Do elements that have many similar properties belong to the same period or group on the periodic table?