Periodic Table 1
There are 18 of these.
What are groups or families?
These elements are found on the zigzag line.
What are Metalloids?
Period 2 has how many shells?
What is 2 shells?
Number located on the bottom of the element box
What is the atomic mass?
Most metals are this state of of the matter.
What is solids?
The three classes of elements are these.
What are metals, nonmetals, metalloids?
The elements in column 18 are also known as ___________. (Hint: Noble Gases)
What is the Inert Gases?
Elements in the same group share these characteristics.
What are chemical and physical properties?
The number located at the top of the element box.
What is the atomic number?
Most stable elements.
What are the Noble Gases?
Only nonmetal on the metal side.
What is Hydrogen?
Mendeleev organized the elements of his periodic table according to this.
What is increasing atomic mass?
Number of neutrons are different from protons and electrons.
What is an isotope?
The vertical columns of the periodic table.
What are groups/families?
These metals are the most reactive.
What is group 1 (the Alkali metals)?
These properties of brittleness, low boiling/melting points, dull, and poor conductors of heat and electricity.
What are nonmetals?
Protons + Neutrons=
What is atomic mass?
The number of valence electrons in group 15.
What are 5?
Modern Model is known as ________________.
What is the Electron Cloud?
These nonmetals are the most reactive.
What are Halogens (group 17)?
Take the atomic mass number (rounded) - the atomic number.
What are the number of neutrons?
Location of these elements are on the right side.
What are nonmetals?
Model used for learning the atomic structure.
What is the Bohr Model?
The two elements that are liquid phase of matter.
What are Mercury and Bromine?
A row on the periodic table.
What is period?