History of the periodic table
The world's first view of the periodic table was published in this language.
German
This class of elements falls along the "staircase" on the periodic table
metalloids
Each period of the periodic table corresponds to
energy levels
Do metals tend to have higher or lower electronegativities?
low
What element is the most electronegative?
Fluorine
These are universal on the periodic table.
Element symbol
Name that element: period 5, group 14
Tin
The horizontal rows of the periodic table are called_______.
periods
Which ion will have the larger radius: Na+ or K+?
K+
Which will have the larger radius: F or F-?
F-
The periodic table is arranged in order of increasing ______ ______.
atomic number
This class of elements are shiny, good conductors, and solid at room temperature
metals
For group 2 elements, which sublevel are the valence electrons located in?
s
This is the energy that is required to remove an electron from an atom.
ionization energy
The ability of an atom to "pull in" other electrons.
electronegativity
_______________ states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
Periodic Law
This group of metals contains groups 3-12
transition metals
What do elements of the same periodic periods have in common?
principle energy levels
What is the general trend for electronegativity as you go down a group?
Electronegativity decreases
Which of these elements has the highest ionization energy: tin, arsenic, or sulfur
sulfur
Elements on the periodic table are arranged vertically in _________.
groups
These elements are found in the second row of the f-block elements.
actinides
The number of valence electrons in group 17 elements is ______.
7
Why does the atomic radius generally increase moving down a group of elements?
The number of occupied energy levels increase
As you move from left to right across a period, the first ionization energies do what?
increase