Terms to know
Ability of an atom to attract electrons when the atom is in a compound
What is electronegativity?
Mendeleev noticed trends when elements are arraigned in increasing _______.
What is atomic mass?
All diatomic bonds are
What is nonpolar covalent?
Amount of valence electrons fluorine has
What is 8?
Tends to become more negative from left to right
What is a period trend?
Atom with a positive charge
Cation
Moseley discovered repeating trends when elements are arraigned by increasing _______.
What is atomic number?
Molecular bonds are between
What are nonmetals and nonmetals?
Tend to have bigger radius’
What is an anion?
Decrease down a group
What is a group trend?
Atom with negative charge
What is an anion?
Elements in same column would have similar ______.
What are chemical properties?
An uneven sharing of electrons in a covalent bond due to differences in electronegativity is a
What is a polar bond?
Increases from top to bottom in a group
Ionic size
Increases left to right and bottom top
What is ionization energy or electron affinity?
Energy released by atom when gained an electron
What is Electron affinity?
Most reactive group of nonmetals
What are halogens?
Strongest bond of chlorine, fluorine, oxygen, nitrogen
What is nitrogen?
Form between metals and nonmetals
What are ionic bonds?
Decreases top to bottom and right to left
What is Atomic radius?
Multiple possible and valid Lewis Dot strucutres
What is resonance?
Elements with atomic number 58-71
What are Lanthanides?
Which has the longest bond length iodine, carbon dioxide, nitrogen, oxygen
What is iodine?
Exceptions to octet rule
What is phosphorus and sulfur?
Across = increasing electronegativity
What is a period trend?