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Periodic Table of Elements
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
- Trend for electronegativity down a column
- elements on the left side of the periodic table ____ electrons to get an octet
- Do cations gain or lose electrons?
- trend for atomic radius as you go down a column
- which is highly reactive and which is extremely unreactive: noble gases and halogens
- good foil experiment, concluded that the nucleus is dense and positive and electrons are located randomly around it
- all matter was made of onlyfour elements: fire, air, waterand earth. he also believed thatmatter had just four properties:hot, cold, dry and wet.
- chemical families (groups) have the same # of...
- . he also theorized that electronsmove in definite orbits around the nucleus,much like planets circle the sun.
- which group doesnt gain or lose (can do both/share)
- the one in which the electrons are in orbitals with the lowest possible energies
- the "plum pudding" model.his theory was that atoms are made from apositively-charged substance withnegatively-charged electrons scatteredabout
- What is the relationship between the periods and groups on the periodic table and ionization energy
- What is the relationship between the periods and groups on the periodic table and electronegativity?
- In mendeleevs periodic table, how were the vertical columns and horizontal rows organized? Which elements were later discovered?
- What is the relationship between the periods and groups on the periodic table and Atomic radius
- distributution of an elements isotopes in nature and the masses of those iosotpes
- While looking at xenon (Xe) on the periodic table, a student needs to find an element with a smaller atomic mass in the same group. Where should the student look?
- This is how fluorine appears in the periodic table. What information does "9" give about an atom of fluorine? Check all that apply.
- 1A, 3B, and 7A are examples of group _ on the periodic table.