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_________ are pure substances made of one type of atom.
Which of the following is NOT an element?
Which of the following is an element?
Every element has a unique name. Elements can also be represented by -
its chemical weight
its chemical symbol
Which correctly lists elements?
S2Fe, Al, Sr, O
C, Fe, Al, Sr
h2o, C, Al, S
c, fe, al, sr
What is the difference between an element and a compound?
An element is a pure atom and a compound is a combination of atoms.
An element is a pure substance and a compound is a combination of elements.
Elements are mixtures and compounds are chemically combined.
A element can be made of different atoms and substances while compounds are made of only two different elements.
Which substance is an element?
Carbon Dioxide (CO2)
Which substance is a compound?
Which physical properties are associated with most metals?
Dull, good insulator, brittle
Dull, good conductors, malleable
Shiny, good conductors, malleable
shiny, good insulator, malleable
Atoms are the basic units of ________.
Elements are found in ___________ (solid earth)
Elements are found in the ___________ (living things).
Elements are found in the _________.
lithosphere, biosphere, hydrosphere, and the atmosphere.
lithosphere, elmentsphere, and the universe.
atmosphere, universe, and lithosphere.
periodic table of elements.
Au = _______
Subscripts tell how many ________ of each element are in the compound.
nothing, compound have exponents
If you are observing luster, you are looking to see if an item is ______________?
a good conductor
Metals are malleable, this means they are ___________.
good conductors of heat and electricity
can be hammered into sheets
The ability to transfer heat and electricity refers to ________.
If an element is shiny, malleable, and a good conductor, you would be looking for a ______________.
If an element is dull, brittle, and a good insulator, you would be looking for a _________________.
If a mystery element is shiny, brittle and a conductor, you would look under which category?
C12H22O11 how many many elements?
None, it's a compound
Table Sugar (C12H22O11) has how many atoms of hydrogen?
In baking soda (NaHCO3) the three represents a ________.