Organizing Elements
Classifying the Elements
Periodic Trends
Periodic Trends cont...
Vocabulary
100
Scientists use this to group elements
What is chemical properties
100
Displays the symbols and names of the elements, along with information about the structure of the element
What is a periodic table?
100
Atomic size increases from
What is top to bottom
100
Values decrease from top to bottom within a group. For the representative elements, the values tends to increase from left to right across a period
What is electronegativity
100
any metal in group 1A of the periodic table
What are alkali metals
200
Arranged the elements in the periodic table in order of increasing atomic mass
Who is Mendeleev
200
Elements can be sorted into noble gases, representative elements or inner transition metals based on their
What are electron configurations
200
Atomic mass decreases from
What is left to right
200
Trends in atomic size, ionizarion energy, ionic size and electronegitivity can be explained in variations by
What is atomic structure
200
a nonmetal in group 7A of the periodic table
What are halogens
300
Elements in the same group have
What are similar properties
300
How is the periodic divided into s,p,d and f
What are sublevels
300
Form when electrons are transferred between atoms
What are poitive and negative ions
300
The enery required to remove an electron from an atom
What is ionization energy
300
an element is in group 8A of the periodic table
What are noble gases
400
Elements are arranged by
What are metals, non metals and metalloids
400
An Uppercase letter followed by a lower case level represents
What is a chemical symbol
400
are always smaller than the atoms from which they form. Have a positive charge
What cations
400
What is Spongebob's pet snails name?
Who is Gary
400
one of the group B elements in which the highest occupied s sublevel and a nearby d sublevel generally conatin electrons
What are transition metals
500
What is Garfeild's canines companion's name?
Who is Odie
500
How many stripes are there on the American Flag?
What is 13
500
are always larger than the atoms they are from and have a neative charge
What are Anions
500
One half the distance between the nuclei of two atoms of the same element when atoms are joined
What is atomic radius
500
an atom or group of atoms that has a positive or negative charge
What are ions