Periodic Trends
Properties mean _______ in chemistry
What are characteristics?
This person created the periodic table
Who is Dmitri Mendeleev?
Rows are defined as _____
What are periods?
How much energy is needed to remove a valence electron is referred to as _____ ______
What is ionization energy?
Cation
What is a positive ion?
Elements in the same group have
What are similar properties?
What are same number of valence electrons
This person discovered the atomic number of each element
Who is Henry Moseley?
Columns are defined as _____
What are groups?
Atomic Radius is the _____ _____ the valence shell is from the the nucleus, the weaker the nucleus pull is
What is farther away?
Anion
What is a negative ion?
When atoms have 8 valence electrons they are ______
What is stable?
Elements when listed in order of their atomic number
What is the periodic law?
Metals are _____ (list 2 properties)
What are good conductors of heat and electricity?
What is ductile?
Opposite charges attract like charges repel
What is Coulomb's law?
The measure of how strong an atom another atoms electrons
What is electron affinity?
Elements that have the same number of energy levels are in ______ ______ ______
What is the same period
Nonmetals are _____ (list 2 properties)
What is not good conductors of heat and electricity?
What is not ductile?
Electron on the outer shell
What is a valence electron?
As you move down a group Electron affinity _____
What is decreases?
Ionization energy increases going _____ ___ _____
What is across the period?
Metalloids are _____ (list 2 properties)
What is meh conductors of heat and electricity?
What is kinda ductile?
Nuclear charge (please describe)
What is the greater the positive charge in the nucleus, the stronger pull on the electrons?
______ increases as you move across a period
What is electron affinity