WorksheetsUnit 01: Investigating Chemicals
Total questions: 9
Worksheet time: 2hrs 15mins
The formation of a new substance with different properties; cannot be undone by physical means
nuclear change
chemical change
physical change
A representation of a compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element.
nuclear reaction
states of matter
chemical change
Representation of the name of an element; written as a capital letter or a capital letter followed by a lowercase letter(s)
chemical symbol
elemental symbol
reactivity equation
a pure substance made by chemically combining two or more elements; represented by a chemical formula
compound
element
atom
a pure substance that cannot be broken down chemically into simpler substances
compound
element
atom
change which alters the physical properties of a substance without changing its identity
chemical change
nuclear change
physical change
the solid that is formed as a result of a chemical change
snow
precipitate
calcium carbonate
a substance that is not mixed with any other substance
mixture
chocolate chip cookie dought
pure substance
the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula
superscript
subscript
character
