Why is Mercury different from the rest of the metals?
It is liquid at room temperature.
Basic properties of Metals
solid at room temperature, soft, malleable, ductile, good conductors of heat and electricity
Basic properties of Metalloids
take on the properties of the other elements with which they are combined, good semi-conductors
Basic properties of Non-Metals
brittle, solid or gas at room temperature, nonmalleable, hard, not good semi-conductors
What group do the Alkali metals prefer to react with?
Halogens (Group 17)
How can you tell Alkali prefer to react with Halogens (Group 17) by looking at the Periodic Table?
Their number of valence electrons equals 8 when added together (Alkali is in Group 1 with 1 valance electron and Halogens are in Group 17 with 7 valence electrons)
What is the most reactive element on the periodic table?
How can you tell Fluorine is the most reactive element by looking at the Periodic Table?
It is in the most active group of non-metals (Group 17) and it is at the top of the PT in the non-metals (Period 2)
What is the least reactive element on the Periodic Table?
Noble Gases (Group 18)
How can you tell Noble Gases are the least reactive by looking at the periodic table?
They are in Group 18 so they have 8 valence electrons (except He has 2). A full outer shell means they don't want to combine with other elements.
Easily drawn into long thin wires
Easily hammered into shape