WorksheetsElements and Compounds Preston's Spiral Review
Total questions: 16
Worksheet time: 9mins
Compounds are represented by chemical formulas.
True
False
Compounds are made of only 1 element.
True
False
Elements are....
are represented by chemical formulas
mixtures
pure substances
not found on Earth
Compounds are made of (a) or more elements bonded together.
Compounds are represented by a chemical symbol
True
False
Compound or Element: H2O
Compound
Element
Compound or Element: Co
Compound
Element
Both Elements and Compounds are pure substances.
True
False
Compound or Element: CO
Compound
Element
Compound or Element: TiC
Compound
Element
Compound or Element: Na
Compound
Element
Elements are the building blocks that make up everything in the world.
True
False
Compounds are pure substances
True
False
How do you know that Sn is an Element?
There are two letters
There is one upper case letter
It is not an element
How do you know that NaCl is a compound?
It has more than one upper case letter.
It is not a compound, it is an element.
because there is a lower case letter.
Elements are represented by chemical symbols.
True
False
