What are the only two liquids?
Bromine and Mercury
How many periods are on the periodic table?
7
What is a metalloid.
A metalloid shares the triats of a metal and non-metal.
Most Reatcive Metal
Francium
What is group 14 called?
The Carbon Group
With a non-metal you get more reatcive the more ____ and _____ you get.
Right and Up
How many groups are on the periodic table
18
What are the traits of metals?
Most are shiny, Good Conductors, Malleable and Ductile
Most Reactive Non-metal.
Flourine
What are groups 3-12 called?
Transition metals
Left and Down
What is the most reactive non-metal group?
Group 17
What are the traits of non-metals?
Find the element with 43 protons.
Technetium
What is the most reactive metal group called?
Alkali Metals
Who arranged the periodic table by the atomic number?
Henry Mosley
What element is out of its place?
Hydrogen
They have the same number of Valence Elctrons. (Outer Electrons)
Find the element with a mass number of (252.083).
Einsteinium
What is the most stable group called?
Noble Gases
Who created the periodic table, and how did they arrange it?
Dimitri Mendeleev
How many elements are on the peroidic table?
118
What are all the metalloids?
Boron, Silicon, Germanium, Arsenic, and Antimony, and Tellurium
Find the element with 120 neutrons.
Mercury
What is the series called with elements 89-103.