A pure substance can be further divided into ________________ and ______________.
The basic building blocks of matter are _____________.
The number of protons is equal to the number of _____________ in an atom.
A molecule of CO2 consists of _____________ carbon and ____________________ oxygen atoms.
When an atom gains or loses an electron _____________ is formed.
The constituent elements of a ____________ lose their own properties.
The constituents in a _____________ can be separated by simple physical methods.
The symbolic representation of a chemical reaction is called _________________.
The combining capacity of an element is _________________.
Molecules are the smallest particle of a _______________ that can exist independently.
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