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Who found a set of patterns in elements and created the first periodic table in 1869.
Who is Dmitri Mendeleev
What is a chart showing all of the elements arranged according to a repeating pattern of its properties?
What is the Periodic Table
What group is very reactive, never found in nature but always in a compound, and is number is number 1 on the periodic table.
What is Alkali Metals
What is the family that has the material used in high strength and light weight things like fiberglass.
What is the boron family
How many columns and groups are in the table?
What are 18 columns and 18 groups
What are the rows in a Periodic Table?
What are periods
What group is very reactive, have metals with a high melting point than alkaline metals, and are never found uncombined in nature.
What is alkaline earth metals
Which family consists of and element that has non-metal, silicone, germanium, and metalloids. Some examples contain this element are proteins, DNA, and fats.
What is the carbon family
What are the elements that are always found in nature and are sometimes called “rare earth metals”?
What are lanthanides
What is the one- or two- letter abbreviation symbol used for an element?
What is a chemical symbol
What group included iron, copper, nickel, gold, and silver, and are good conductors of heat and electric currents?
What are transition metals
What is the element family that makes up 78% of the Earth’s atmosphere and contains nitrogen, phosphorus, arsenic, and antimony.
What is the nitrogen family
What is the element with the simplest atoms and is rarely found on Earth as a pure element because it’s usually combined with water and oxygen.
What is hydrogen
What is a family of elements based on certain characteristics?
What is a family
What group included helium, and some compounds that can create in laboratories?
What are noble gases
What is family that is a gas at room temperature and contains sulfur, selenium, metalloids, tellurium, and this element.
What is the oxygen family
What is the number under the chemical symbol?
What is the atomic mass number
What is the average mass of all isoptopes of an element.
What is the atomic mass
This group is found between metals and non-metals, and have some properties of metals and some of non-metals.
What are metalloids
What is the family that means “salt forming” and includes the elements fluorine, chlorine, iodine, and bromine.
What is the halogen family