A column on the periodic table.
What is a Group?
The ability of a metal to reflect light.
What is luster
These lack metal properties.
What is a nonmetal?
What is a metalloid?
A Russian chemist and teacher, was working on a way to classify elements.
Who is Dimitri Mendeleev?
The rows on the periodic table.
What is a Period?
The ability to be pulled into thin wires.
What is ductility?
An element in group 17 of the periodic table that refers to an element that can react with a metal and form a salt.
What is the Halogens?
This is a solid at room temperature.
Dimitri Mendeleev categorized elements by these.
What are physical properties and atomic mass?
A chart of the elements arranged into rows and columns according to their physical and chemical properties.
What is the Periodic Table?
The ability of a substance to be hammered or rolled into sheets.
What is malleability?
These are colorless, odorless, tasteless, and nonflammable under standard conditions.
What are the Noble Gases?
The ability to conduct electricity at high temperatures, but not at low temperatures.
What is a semiconductor?
The periodic table is organized into these.
What is organized into columns, rows, and blocks?
These are made by people, and do not occur naturally on Earth.
What is a synthetic element?
An element that is generally shiny. It is easily pulled into wires or hammered into thin sheets and is good conductor of electricity and thermal energy.
What is a Metal?
The four nonmetal elements include oxygen, carbon, hydrogen, and nitrogen.
What is the elements of life?
An element that has physical and chemical properties of both metals and nonmetals.
What are Metalloids?
These were here when Mendeleev placed his list of elements into a table, he arranged them in rows of increasing atomic mass.
What are large gaps in the periodic table?
This shows an element’s chemical symbol, atomic number, and atomic mass.
What is the element key?
The elements of group 1 and react quickly with other elements such as oxygen. Therefore, in nature, they occur only in compounds.
What are the alkali metals
These elements were not yet discovered when Mendeleev constructed, or made by combining and rearranging parts, his periodic table because they do not form compounds naturally.
What is the Noble Gases?
This acts as a nonmetal when it reacts with sodium, but it acts as a metal when it reacts with fluorine.
What is Boron?
This contains a symbol that shows the state of matter at room temperature.
What is the element key?