Vocab
It is a column in the periodic table.
What is a group?
He developed the periodic table.
Who is Dmitri Mendeleev?
It is where most metals are on the periodic table.
What is left and middle?
These elements are dull and brittle.
What are nonmetals?
These elements are located on the right side of the periodic table in a zigzag line.
What are metalloids?
It is a row on the periodic table.
What is a period?
This determines the order of elements on today's periodic table.
What is increasing atomic number?
It is NOT a property of metals?
What is brittle?
An element in group 17.
What are halogens?
This group of elements can act as semiconductors?
What are metalloids?
The ability of a metal to reflect light.
What is luster?
The physical property that Mendeleev use to place the elements in rows on the periodic table?
What is atomic mass?
Reacts little with oxygen is a chemical property of this group of metals.
What are transition metals?
These nonmetals are highly nonreactive.
What are noble gases?
Elements that can conduct electricity at high temperatures and not at low temperatures.
What is a semiconductor?
It is the ability of metal to be stretched in wires.
What is ductility?
It is the number of protons and neutrons in an atom.
What is atomic mass?
Beryllium and magnesium are examples of these metals.
What are alkaline earth metals?
These are four main compounds found in human body.
what are oxygen, carbon, hydrogen and nitrogen?
Is an example of an important semiconductor.
What is silicon?
It is the ability of a metal to be hammered or rolled into sheets.
What is malleability?
Only metal that is liquid at room temperatures.
What is mercury?
These are the most reactive Alkali metals.
What is Lithium, Potassium and Sodium?
Is an example of noble gases.
What are helium, neon, xenon, argon, radon?
A metalloid used in water softeners and laundry detergents.
What is boron?