It's Elemental
A pure substance, made of only one kind of atom, represented by a chemical symbol on the periodic table
What is an element?
A table that shows the elements, listed in order by atomic number
What is the periodic table?
Elements that are good conductors of heat and electricity are called this
What are metals?
A characteristic that can be observed or measured without changing the identity of the substance
What is a physical property?
O
What is oxygen?
A pure substance made of two or more elements, chemically combined
What is a compound?
One or two letters that represent an element's name
Elements that are poor conductors are called this
What are nonmetals
The way a substance reflects light from its surface
What is luster?
Na
What is sodium?
smallest particle of an element that still has the properties of that element
What is an atom?
The first element listed on the period table, it's atomic number is 1
What is Hydrogen?
Elements that have properties of both metals and nonmetals are called this
What are metalloids?
The tendency of a substance to crack or break
What is brittleness?
He
What is helium?
anything that has mass and takes up space
What is matter?
This number represents the number of protons in an element
What is the atomic number?
A characteristic of a pure substance that describes its ability to change into another substance
What is a chemical property?
The ability of a substance to be hammered or flattened into thin sheets
What is malleability?
Au
What is gold?
two or more atoms joined together; the smallest unit of most compounds
What is a molecule?
The number listed below the chemical symbol on most periodic tables, this represents the sum of the protons and neutrons in an element
What is the atomic mass?
Elements such as silicon are called this due to their ability to partially conduct heat and electricity
What is a semiconductor?
A term used to describe how a substance can be pulled into a long wire
What is ductile?
Cu
What is copper?