A table that organizes all of the elements by atomic number.
What is the Periodic Table of the Elements?
100
This element's atomic number is 3.
Where is Lithium?
100
A vertical column that contains elements with the same number of valence electrons, and similar chemical properties. There are 18 on the Periodic Table.
What is a Group?
100
A horizontal column that contains elements with a similar atomic mass, and the same number of energy rings.
What is a period?
100
This element has an atomic number of 12.
What is Magnesium (Mg) ?
200
The weight of an atom, usually expressed as a decimal.
What is Atomic mass?
200
This element is located in group 6 and has 4 energy levels.
What is Chromium (Cr) ?
200
None of the elements in this group are solids.
What is in Group 18?
200
This is the only period with less than 14 elements.
What is period 1?
200
This metal was used for batteries, weights, wine caskets, and even water pipes until we discovered how toxic it is.
What is Lead (Pb) ?
300
The number of protons in an atom.
What is Atomic number?
300
This element is located at Period 4 and group 9.
Where is Cobalt?
300
This group contains the precious metal Platinum.
What is group 10?
300
This period contains the element Platinum.
What is period 7?
300
This element is the only liquid metal on the Periodic Table at room temperature.
What is Mercury (Hg) ?
400
One or two letters that represent an element.
What is the Atomic symbol?
400
This element is considered the most Metallic substance on the Periodic Table.
What is Francium
400
The only group of nonmetals with 7 valence electrons.
What are the Halogens?
400
The period that contains the element Xe.
What is period 5?
400
This element is used to purify water, this element is also used to treat radiation exposure along with Potassium, and is also a sterilizing agent.
What is Iodine (I) ?
500
A subatomic particle with no electrical charge.
What are Neutrons?
500
The Heaviest substance on the Periodic table.
What is Roentgenium (Rg)?
500
The group that contains the element Darmstadtium.
What is group 10?
500
An element with an atomic mass of 80 AMU is located in period ____.
What is Period 4?
500
This element is essential to all known life on earth, but becomes extremely poisonous when compressed.