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WorksheetsElements, Compounds, Mixtures- Fast & Curious
Total questions: 20
Worksheet time: 10mins
The two ways of classifying matter are according to its ...
Composition
Conductibility
Physical State
How many types of atoms do elements contain?
More than 2
Only 1
There's no limits
Elements can be broken down into simpler substances by chemical or physical means.
True
False
Elements can exist as either atoms or molecules.
True
False
How many types of atoms do compounds contain?
At least 2 different types
Only 1
There's no limit
Compounds are bonded together in a specific ratio.
True
False
Compounds can broken down by what processes?
Physical
Chemical
Compounds always have the same properties as the elements it's made of.
True
False
Mixtures contain two or more substances (elements or compounds) that are not bonded together.
True
False
Mixtures can be separated through what processes?
Chemical
Physical
Ionic Bonds are formed between
two nonmetals
metals and nonmetals
Covalent Bonds are formed between
two nonmetals
metals and nonmetals
Ionic Bonds ___________ electrons
transfer
share
Covalent Bonds ___________ electrons
transfer
share
Binary Compound contains how many different elements that combine chemically?
one
two
three
Chemical Formula is....
the number written to the lower right of a chemical symbol
used to represent elements
the way of writing the name of a compound using chemical symbols
Chemical symbol is....
the number written to the lower right of a chemical symbol
used to represent elements
the way of writing the name of a compound using chemical symbols
Subscript is....
the number written to the lower right of a chemical symbol
used to represent elements
the way of writing the name of a compound using chemical symbols
If an element has no subscript next to it in a chemical formula means there is....
1 atom of that element
no atoms of that element
2 atoms of that element
In an ionic bonds chemical formula, the ____________ element's name is always written first
Non-metallic
Metallic
