Periodic Table 1
Elements combine to make this
What are compounds?
A simple substance that cannot be broken down any further
The atomic number tells you
What is the number of protons an atom of an element has?
Made of two or more substances and can be separated out physically
What is a mixture?
The 4 things every element square contains
What is atomic number, name, symbol, and atomic mass?
a well-supported explanation of the natural world that is backed by factual evidence
What is a scientific theory?
18
What is the number of columns in the periodic table?
Tiny particles that make up all matter.
What are atoms?
Found in a zigzag line (staircase) on the periodic table.
What are metalloids?
Elements in the same __________________ will have similar properties
What is a group / column?
The periodic table is ordered by increasing
What is atomic number?
7
What is the number of periods (rows) on the periodic table?
Rows on the periodic table
What are periods?
Columns on a periodic table
What are groups?
The periodic table helps you to predict this
What is the elements' properties?
Most metals at room temperature are in this state.
What are solids?
Elements in group 2
What are Alkaline Earth Metals?
Elements in group 1 (Name for the group)
What are the alkali metals?
Elements in group 18 (Name for the group)
What is the noble gases?
Located on the right side of the staircase.
What are nonmetals?
These are the properties of nonmetals (Give 2)
What are usually gas at room temperature, brittleness, low boiling/melting points, dull, not ductile or malleable, poor conductors?
These are the properties of metals (Give 2)
What are conductivity, high melting points, most are solids at room temperature, shiny, ductile, and malleable?
The majority of the elements on the periodic table are this.
What are metals?
These cannot be defined as either metal or nonmetal
What are metalloids?
The three classes of elements are these.
What are metals, metalloids, and nonmetals?