Periodic Trends Flashcards
As you move left to right in a row, what happens to electron affinity?
Increase
As you move left to right in a row, what happens to ionization energy?
Increase
What section of the periodic table has the elements with the most nonmetallic character?
Top right
What section of the periodic table has the elements with the most metallic character?
Bottom left
Where on the periodic table is atomic radius the highest?
Bottom left
What is electronegativity?
How likely a molecule is to “hog” electrons when bonded.
What is atomic radius?
1/2 the distance between the nuclei of two atoms.
What is ionization energy?
Energy needed to remove an electron from an atom.
What type of element has the lowest ionization energy and why?
Large elements because the electrons are further away from the nucleus.
What is electron affinity?
How easy it is for an atom to attract electrons.
Atoms with high electron affinity will:
Gain electrons.
Within a period, as atomic number increases, atomic size:
Decreases
Within a group, as atomic number increases, atomic size:
Increases
Is first or second ionization energy higher?
First ionization energy
Formed when an atom gains an electron
Anion
What atoms are in BrINCLHOF?
Bromine
Iodine
Nitrogen
Chlorine
Hydrogen
Oxygen
Flourine
What are ionic bonds?
Atoms that are gaining electrons attract to atoms losing them.
What type of elements bond in Ionic bonds?
Usually metals and nonmetals.
What type of bond is strongest?
Usually Ionic bonds because these bonds involve an actual transfer of electrons?
What structures do ionic bonds form?
Crystal lattice structure.
Do ionic bonds have high melting points or boiling points?
Yes-they have high boiling and melting points because they are bonded strongly.
True or false: ionic compounds conduct electricity.
True, when they are dissolved.
2 bonds
Linear
3 bonds
Trigonal Planar
