Periodic Table of Elements Questions

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.